Bulk convert control files. (#19986)

```
function Convert-Control {
    Param($full)
    .\vcpkg.exe format-manifest $full
    $root = $full.Substring(0, $full.Length - 7) # CONTROL
    $new = $root + 'vcpkg.json'
    $content = Get-Content -Raw $new
    $asJson = ConvertFrom-Json $content -AsHashtable -Depth 100
    $oldVersion = $asJson['port-version']
    if ($null -eq $oldVersion) {
        $oldVersionFull = $asJson['version-string']
        Write-Host "Got version $oldVersionFull"
        $match = [System.Text.RegularExpressions.Regex]::Match($oldVersionFull, '^(.+)-(\d+)$')
        if ($match.Success -and -not [System.Text.RegularExpressions.Regex]::IsMatch($oldVersionFull, '^\d\d\d\d-\d\d-\d\d$')) {
            $newFullVersion = [string]$match.Groups[1].Value
            $oldVersion = [int]$match.Groups[2].Value
            Write-Host "newFullVersion $newFullVersion oldVersion $oldVersion"
            $newVersion = $oldVersion + 1
            $asJson['version-string'] = $newFullVersion
            Write-Host "Previous version for $full extracted from version field -- setting version-string $newFullVersion and port-version $newVersion"
        } else {
            Write-Host "No previous version for $full -- setting 1"
            $newVersion = 1
        }
    } else {
        $newVersion = [int]$oldVersion + 1
        Write-Host "New version for $full : $newVersion"
    }

    $asJson['port-version'] = $newVersion

    $content = ConvertTo-Json $asJson -Depth 100
    Set-Content -Path $new -Value $content
    .\vcpkg.exe format-manifest $new
}

Get-ChildItem ports\CONTROL -Recurse | Foreach-Object {
    Convert-Control $_.FullName
}

git commit -am "this message"
.\vcpkg.exe x-add-version -all
git commit -a --amend
```

17 files changed, 85 insertions, 0 deletions

diff --git a/versions/e-/easycl.json b/versions/e-/easycl.json
index 0b2db1064..88f7e35dd 100644
--- a/versions/e-/easycl.json
+++ b/versions/e-/easycl.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "f25251c36cd3423ca13cdf773e124ce01e7b08fe",
+      "version-string": "0.3",
+      "port-version": 1
+    },
+    {
       "git-tree": "172a7b81ef634d827a5a1fb3eaf3beb10a0e3923",
       "version-string": "0.3",
       "port-version": 0
diff --git a/versions/e-/easyloggingpp.json b/versions/e-/easyloggingpp.json
index 9b1fa8f5b..3c076f835 100644
--- a/versions/e-/easyloggingpp.json
+++ b/versions/e-/easyloggingpp.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "4dccf41488f050a70d3232a86296883b54533d2f",
+      "version-string": "9.96.7",
+      "port-version": 2
+    },
+    {
       "git-tree": "22fde45fd8d035536d9d3bbb8b174649c037e831",
       "version-string": "9.96.7-1",
       "port-version": 0
diff --git a/versions/e-/eathread.json b/versions/e-/eathread.json
index 0081edae0..b9ee87482 100644
--- a/versions/e-/eathread.json
+++ b/versions/e-/eathread.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "273dda3270d68ca1c465bb093cba07e71bd6a62f",
+      "version-string": "1.32.09",
+      "port-version": 2
+    },
+    {
       "git-tree": "d184652fe784ad6994bb56ca562539fc0f4bb49a",
       "version-string": "1.32.09-1",
       "port-version": 0
diff --git a/versions/e-/ebml.json b/versions/e-/ebml.json
index fc17b220c..9a4a7e43a 100644
--- a/versions/e-/ebml.json
+++ b/versions/e-/ebml.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "92e5e7a92a8bd6a496911ea44a032088e776471f",
+      "version-string": "1.4.0",
+      "port-version": 1
+    },
+    {
       "git-tree": "bcf2ed38acfba94d49dfe9f4c96559771d8032c8",
       "version-string": "1.4.0",
       "port-version": 0
diff --git a/versions/e-/ecsutil.json b/versions/e-/ecsutil.json
index 9394deea7..65def84ff 100644
--- a/versions/e-/ecsutil.json
+++ b/versions/e-/ecsutil.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "7fb65a14c061886745af3a158b7f2bc8b71184fc",
+      "version-string": "1.0.7.15",
+      "port-version": 1
+    },
+    {
       "git-tree": "e6816d896c639acee9ea9aed9c4f6bfb3f9dbb1a",
       "version-string": "1.0.7.15",
       "port-version": 0
diff --git a/versions/e-/edlib.json b/versions/e-/edlib.json
index d00bcfe8f..4c87106f1 100644
--- a/versions/e-/edlib.json
+++ b/versions/e-/edlib.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "f1c507cb59e800c53256b3722b862df4ff41dbd6",
+      "version-string": "1.2.6",
+      "port-version": 1
+    },
+    {
       "git-tree": "a8e115424a7e2e54788cdda6bd0dad6a097f508d",
       "version-string": "1.2.6",
       "port-version": 0
diff --git a/versions/e-/effolkronium-random.json b/versions/e-/effolkronium-random.json
index c0f3a3576..64d9d3602 100644
--- a/versions/e-/effolkronium-random.json
+++ b/versions/e-/effolkronium-random.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "c07bb6dd8e736bf6b970117efbdc2c329f7192f1",
+      "version-string": "1.3.1",
+      "port-version": 1
+    },
+    {
       "git-tree": "8e1984293d7e95cdab2dff086ad58f639297a924",
       "version-string": "1.3.1",
       "port-version": 0
diff --git a/versions/e-/efsw.json b/versions/e-/efsw.json
index 15bfab798..c58cd1f6d 100644
--- a/versions/e-/efsw.json
+++ b/versions/e-/efsw.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "67bb6e4495d7a98abb97ef8da9d7486508974042",
+      "version-string": "2020-06-08",
+      "port-version": 2
+    },
+    {
       "git-tree": "6fec8b0d52b78fd74b35373e89ff32862ee4597c",
       "version-string": "2020-06-08",
       "port-version": 1
diff --git a/versions/e-/egl-registry.json b/versions/e-/egl-registry.json
index de47f4d86..59de646f2 100644
--- a/versions/e-/egl-registry.json
+++ b/versions/e-/egl-registry.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "33252a782754c5b8595212530c1729d41bb78c19",
+      "version-string": "2020-02-20",
+      "port-version": 1
+    },
+    {
       "git-tree": "3140fdc59c3d9481800dd9f9e3fbe75bd4595c6f",
       "version-string": "2020-02-20",
       "port-version": 0
diff --git a/versions/e-/eigen3.json b/versions/e-/eigen3.json
index 0b5015f18..37649711c 100644
--- a/versions/e-/eigen3.json
+++ b/versions/e-/eigen3.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "2b845a54aa220fa4099e97be4031cb63634665e3",
+      "version-string": "3.3.9",
+      "port-version": 1
+    },
+    {
       "git-tree": "7a4f98a4624de567ff1bf9fa82668eae42e0f996",
       "version-string": "3.3.9",
       "port-version": 0
diff --git a/versions/e-/elfutils.json b/versions/e-/elfutils.json
index 2ebe9478f..6c9d614b2 100644
--- a/versions/e-/elfutils.json
+++ b/versions/e-/elfutils.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "aa738c679581e92da4ec8a1662171ac5608e3744",
+      "version-string": "0.182",
+      "port-version": 1
+    },
+    {
       "git-tree": "2695bb6d07358b642791808399b606fe52374572",
       "version-string": "0.182",
       "port-version": 0
diff --git a/versions/e-/entityx.json b/versions/e-/entityx.json
index 15ab870b4..2d7bb14ca 100644
--- a/versions/e-/entityx.json
+++ b/versions/e-/entityx.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "191e57655630e9862440dd860de69d4baa62b089",
+      "version-string": "1.3.0",
+      "port-version": 3
+    },
+    {
       "git-tree": "1c855d1902c11d9ef82d873ae86ad70052082728",
       "version-string": "1.3.0-2",
       "port-version": 0
diff --git a/versions/e-/epsilon.json b/versions/e-/epsilon.json
index 46cb2702d..e6828152b 100644
--- a/versions/e-/epsilon.json
+++ b/versions/e-/epsilon.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "54824ec07afd73fa5bb369acc97e44f4754cc368",
+      "version-string": "0.9.2",
+      "port-version": 5
+    },
+    {
       "git-tree": "9d0ee89af9a1cd0f574dac537598e33a1afddf74",
       "version-string": "0.9.2-4",
       "port-version": 0
diff --git a/versions/e-/esaxx.json b/versions/e-/esaxx.json
index c6b3e3e99..5d9052515 100644
--- a/versions/e-/esaxx.json
+++ b/versions/e-/esaxx.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "ab1275b163482bc7140f4ca266183d1309d3dc42",
+      "version-string": "ca7cb332011ec37",
+      "port-version": 1
+    },
+    {
       "git-tree": "2a5e4429567a9e4f0a5a23df2e097d6cb01d8175",
       "version-string": "ca7cb332011ec37",
       "port-version": 0
diff --git a/versions/e-/evpp.json b/versions/e-/evpp.json
index 1183c6bd7..7291e6311 100644
--- a/versions/e-/evpp.json
+++ b/versions/e-/evpp.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "b312644fb2498483feb3114cef2c8afaa44f45ed",
+      "version-string": "0.7.0",
+      "port-version": 5
+    },
+    {
       "git-tree": "f460fd6d64355ccd3ed62d95e79485161aafba85",
       "version-string": "0.7.0",
       "port-version": 4
diff --git a/versions/e-/expected-lite.json b/versions/e-/expected-lite.json
index 8d5270ddb..4c59a2658 100644
--- a/versions/e-/expected-lite.json
+++ b/versions/e-/expected-lite.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "877f85638b2a3f618c48729a2e39149effbcb851",
+      "version-string": "0.3.0",
+      "port-version": 1
+    },
+    {
       "git-tree": "a3d0c35d13d31b4ea4417e89cb3fd37bbc6fb9c4",
       "version-string": "0.3.0",
       "port-version": 0
diff --git a/versions/e-/exprtk.json b/versions/e-/exprtk.json
index 4cc90df98..0dd368f44 100644
--- a/versions/e-/exprtk.json
+++ b/versions/e-/exprtk.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "f43789e8da0899715ef1d0544880baa13ce38d64",
+      "version-string": "2021-01-01",
+      "port-version": 1
+    },
+    {
       "git-tree": "497f4b1dc2da32e75f934ba6d0e496a4dc0b01ae",
       "version-string": "2021-01-01",
       "port-version": 0