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
```

2 files changed, 54 insertions, 30 deletions

diff --git a/ports/polyhook2/CONTROL b/ports/polyhook2/CONTROL
deleted file mode 100644
index 311b64ebb..000000000
--- a/ports/polyhook2/CONTROL
+++ /dev/null
@@ -1,30 +0,0 @@
-Source: polyhook2

-Version: 2021-05-09

-Homepage: https://github.com/stevemk14ebr/PolyHook_2_0

-Description: C++17, x86/x64 Hooking Library v2.0

-Supports: !(arm|uwp|linux|osx)

-Default-Features: capstone,zydis,exception,detours,inlinentd,pe,virtuals

-

-Feature: capstone

-Build-Depends: capstone[x86]

-Description: Capstone disassembler integration.

-

-Feature: zydis

-Build-Depends: zydis

-Description: Zydis disassembler integration.

-

-Feature: exception

-Description: Implement all exception hooking functionality

-

-Feature: detours

-Description: Implement detour functionality

-

-Feature: inlinentd

-Build-Depends: asmjit

-Description: Support inline hooks without specifying typedefs by generating callback stubs at runtime with AsmJit

-

-Feature: pe

-Description: Implement all win pe hooking functionality

-

-Feature: virtuals

-Description: Implement all virtual table hooking functionality

diff --git a/ports/polyhook2/vcpkg.json b/ports/polyhook2/vcpkg.json
new file mode 100644
index 000000000..252fb1a87
--- /dev/null
+++ b/ports/polyhook2/vcpkg.json
@@ -0,0 +1,54 @@
+{
+  "name": "polyhook2",
+  "version-string": "2021-05-09",
+  "port-version": 1,
+  "description": "C++17, x86/x64 Hooking Library v2.0",
+  "homepage": "https://github.com/stevemk14ebr/PolyHook_2_0",
+  "supports": "!(arm | uwp | linux | osx)",
+  "default-features": [
+    "capstone",
+    "detours",
+    "exception",
+    "inlinentd",
+    "pe",
+    "virtuals",
+    "zydis"
+  ],
+  "features": {
+    "capstone": {
+      "description": "Capstone disassembler integration.",
+      "dependencies": [
+        {
+          "name": "capstone",
+          "features": [
+            "x86"
+          ]
+        }
+      ]
+    },
+    "detours": {
+      "description": "Implement detour functionality"
+    },
+    "exception": {
+      "description": "Implement all exception hooking functionality"
+    },
+    "inlinentd": {
+      "description": "Support inline hooks without specifying typedefs by generating callback stubs at runtime with AsmJit",
+      "dependencies": [
+        "asmjit"
+      ]
+    },
+    "pe": {
+      "description": "Implement all win pe hooking functionality"
+    },
+    "virtuals": {
+      "description": "Implement all virtual table hooking functionality"
+    },
+    "zydis": {
+      "description": "Zydis disassembler integration.",
+      "dependencies": [
+        "zydis"
+      ]
+    }
+  }
+}