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
```

15 files changed, 75 insertions, 0 deletions

diff --git a/versions/j-/jansson.json b/versions/j-/jansson.json
index e35a31c12..f01eec560 100644
--- a/versions/j-/jansson.json
+++ b/versions/j-/jansson.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "e03158776f244589d6af861b4ceefabd4cd9fd12",
+      "version-string": "2.13.1",
+      "port-version": 1
+    },
+    {
       "git-tree": "73e4996b95f57b891a1c4a85cd579297a55ac148",
       "version-string": "2.13.1",
       "port-version": 0
diff --git a/versions/j-/jbig2dec.json b/versions/j-/jbig2dec.json
index 95ec9bf7a..7fbff5da5 100644
--- a/versions/j-/jbig2dec.json
+++ b/versions/j-/jbig2dec.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "e60aa2c30fefe1269d1d8a6fede748cfa5736aed",
+      "version-string": "0.19",
+      "port-version": 1
+    },
+    {
       "git-tree": "055013875225acf1e33c26a6c127f5d89ccb0583",
       "version-string": "0.19",
       "port-version": 0
diff --git a/versions/j-/jbigkit.json b/versions/j-/jbigkit.json
index 0df8d2e26..242ea13a0 100644
--- a/versions/j-/jbigkit.json
+++ b/versions/j-/jbigkit.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "fa2f967c15904877cd541d3c9d59f0c2f20f3fb4",
+      "version-string": "2.1",
+      "port-version": 5
+    },
+    {
       "git-tree": "540956fe79520b0ffd46dea73e33d1dfe12da22a",
       "version-string": "2.1-4",
       "port-version": 0
diff --git a/versions/j-/jemalloc.json b/versions/j-/jemalloc.json
index 8379bf58d..a27e65c4c 100644
--- a/versions/j-/jemalloc.json
+++ b/versions/j-/jemalloc.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "0ced62e7a268f8442b2e808df7b094afe8998c38",
+      "version-string": "4.3.1",
+      "port-version": 5
+    },
+    {
       "git-tree": "4c72c8aa2b715c813c70850c504385afa6566fb1",
       "version-string": "4.3.1-4",
       "port-version": 0
diff --git a/versions/j-/jinja2cpplight.json b/versions/j-/jinja2cpplight.json
index cbbb2f3fb..8adffeb62 100644
--- a/versions/j-/jinja2cpplight.json
+++ b/versions/j-/jinja2cpplight.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "14ce844353cb5d4b2dbca4d36daf84c248208de2",
+      "version-string": "2018-05-08",
+      "port-version": 1
+    },
+    {
       "git-tree": "4db482fab578e61193f3a03e4acc4086b23ae550",
       "version-string": "2018-05-08",
       "port-version": 0
diff --git a/versions/j-/josuttis-jthread.json b/versions/j-/josuttis-jthread.json
index 565cfdf52..34c83ced9 100644
--- a/versions/j-/josuttis-jthread.json
+++ b/versions/j-/josuttis-jthread.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "5f37dd21a591e8f7ae566f16a085a10dbfe1ccbc",
+      "version-string": "2020-07-21",
+      "port-version": 2
+    },
+    {
       "git-tree": "f262637ae76fc0ab9c01f475af0b7a87e552a512",
       "version-string": "2020-07-21",
       "port-version": 1
diff --git a/versions/j-/jsmn.json b/versions/j-/jsmn.json
index 1e62f26d8..9f3ba75be 100644
--- a/versions/j-/jsmn.json
+++ b/versions/j-/jsmn.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "b05c2b522963eeacbcfcad169cf5ffc802bc7a42",
+      "version-string": "2019-04-27",
+      "port-version": 1
+    },
+    {
       "git-tree": "3de21d0cde92d319d3f0638abed14af414a57cfe",
       "version-string": "2019-04-27",
       "port-version": 0
diff --git a/versions/j-/json-c.json b/versions/j-/json-c.json
index 1d09e5ff6..34a233e6d 100644
--- a/versions/j-/json-c.json
+++ b/versions/j-/json-c.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "5c8d00d59a40b54cc9400f045b62e439740c2909",
+      "version-string": "2019-09-10",
+      "port-version": 2
+    },
+    {
       "git-tree": "46d6f0302fe2ee6649ade0a8ef9a17a88226bc73",
       "version-string": "2019-09-10",
       "port-version": 1
diff --git a/versions/j-/json-schema-validator.json b/versions/j-/json-schema-validator.json
index 1b6520be1..fa7552a06 100644
--- a/versions/j-/json-schema-validator.json
+++ b/versions/j-/json-schema-validator.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "361dde90ee9e81d84ad0e87d75f16e4f9f662b88",
+      "version-string": "2.1.0",
+      "port-version": 1
+    },
+    {
       "git-tree": "c29f43fd54762287049c24e4e38cd89a26a1a26a",
       "version-string": "2.1.0",
       "port-version": 0
diff --git a/versions/j-/json-spirit.json b/versions/j-/json-spirit.json
index 0460b9a93..8fb1586f2 100644
--- a/versions/j-/json-spirit.json
+++ b/versions/j-/json-spirit.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "d219034cdee1f6237e4863a001aece539df2ce8c",
+      "version-string": "4.1.0",
+      "port-version": 2
+    },
+    {
       "git-tree": "ab05cd4ea6726e65c8a2ab5a4c882d9e4f166418",
       "version-string": "4.1.0-1",
       "port-version": 0
diff --git a/versions/j-/json11.json b/versions/j-/json11.json
index 4fc5c0bcb..e745d3e6d 100644
--- a/versions/j-/json11.json
+++ b/versions/j-/json11.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "d1c9cec8f84522bd1bb53aae81708000ef8952de",
+      "version-string": "2017-06-20",
+      "port-version": 3
+    },
+    {
       "git-tree": "0acd544fac745b898132e7beda2ede37b0a7d9d4",
       "version-string": "2017-06-20-2",
       "port-version": 0
diff --git a/versions/j-/json5-parser.json b/versions/j-/json5-parser.json
index 4beced40c..4a6728194 100644
--- a/versions/j-/json5-parser.json
+++ b/versions/j-/json5-parser.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "e874e19b4f9b56647b5be1537ed0792041e96c25",
+      "version-string": "1.0.0",
+      "port-version": 3
+    },
+    {
       "git-tree": "a08cd167ddae3c10119b6b513accf0a2fa9d76fa",
       "version-string": "1.0.0",
       "port-version": 2
diff --git a/versions/j-/jsoncons.json b/versions/j-/jsoncons.json
index b77f7525e..b95f7df74 100644
--- a/versions/j-/jsoncons.json
+++ b/versions/j-/jsoncons.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "ace7d792691e3fadf81394f348f0dce587aa5293",
+      "version-string": "0.165.0",
+      "port-version": 1
+    },
+    {
       "git-tree": "fd6b74f34a309e8750a04b5da6a3bf5800503434",
       "version-string": "0.165.0",
       "port-version": 0
diff --git a/versions/j-/jsoncpp.json b/versions/j-/jsoncpp.json
index bc8b583c8..b96484d46 100644
--- a/versions/j-/jsoncpp.json
+++ b/versions/j-/jsoncpp.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "444e56d175225f268ea77433982e81ef131a6d1d",
+      "version-string": "1.9.4",
+      "port-version": 1
+    },
+    {
       "git-tree": "cb9fceddf47584c7fda24180c7fd87f5e83728a5",
       "version-string": "1.9.4",
       "port-version": 0
diff --git a/versions/j-/jsonnet.json b/versions/j-/jsonnet.json
index 29ee5da44..58d630609 100644
--- a/versions/j-/jsonnet.json
+++ b/versions/j-/jsonnet.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "c6d19c002863644237c3ac276db26c576664f56d",
+      "version-string": "0.16.0",
+      "port-version": 3
+    },
+    {
       "git-tree": "53efaebae6e8131ee43960d0d58a5f110298a9c1",
       "version-string": "0.16.0",
       "port-version": 2