feat(SublimeText2.PowershellAlias) - new pkg

- refactored out of existing SublimeText2.app

SublimeText2.PowershellAlias/SublimeText2.PowershellAlias.nuspec

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+<?xml version="1.0"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
+  <metadata>
+    <id>SublimeText2.PowershellAlias</id>
+    <title>Sublime Text 2 Powershell subl Alias</title>
+    <version>0.1.0</version>
+    <authors>Jon Skinner</authors>
+    <owners>Ethan J Brown</owners>
+    <summary>A Powershell 'subl' alias to easily launch Sublime Text 2 from the command line.  Sublime Text 2 is a sophisticated text editor for code, html and prose.</summary>
+    <description>Assumes Sublime Text 2 is already installed to the default location on disk.</description>
+    <releaseNotes></releaseNotes>
+    <projectUrl>http://www.sublimetext.com/2</projectUrl>
+    <tags>sublime text editor powershell</tags>
+    <licenseUrl>http://www.sublimetext.com/eula</licenseUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <iconUrl>https://github.com/Iristyle/ChocolateyPackages/raw/master/SublimeText2.app/Sublime_Text.png</iconUrl>
+  </metadata>
+  <files>
+    <file src="tools\**" target="tools" />
+  </files>
+</package>

SublimeText2.PowershellAlias/tools/ChocolateyInstall.ps1

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+try {
+  $package = 'SublimeText2.PowershellAlias'
+
+  $sublDefined = Test-Path function:subl
+  $profileExists = Test-Path $PROFILE
+  $sublInProfile = $profileExists -and (((Get-Content $PROFILE) -match '^function\s+subl\s+').Count -gt 0)
+
+  # add subl alias to powershell profile
+  if (!$sublDefined -and !$sublInProfile)
+  {
+    New-Item (Split-Path $PROFILE) -Type Directory -ErrorAction SilentlyContinue
+    'function subl { &"${Env:ProgramFiles}\Sublime Text 2\sublime_text.exe" $args }' |
+      Out-File -FilePath $PROFILE -Append -Encoding UTF8
+    Write-Host 'Added subl alias to Powershell profile to launch Sublime Text 2!'
+  }
+
+  Write-ChocolateySuccess $package
+} catch {
+  Write-ChocolateyFailure $package "$($_.Exception.Message)"
+  throw
+}