fix: VBoxManage - don't fail when not in PATH

 - Test-Path throws when its arg is $null
chore: VirtualBox ExtensionPack 4.2.16.86992 bump
feat: release AndroidStudio 0.2.130.737825

 - will attempt to uninstall 0.1.x if it's found
 see updating instructions here that warn of issues installing over top
 http://developer.android.com/sdk/installing/studio.html
feat: SQL2008.ClrTypes uninstaller / bump ver
feat: SQL2008.CmdLine uninstaller / bump verison
feat: SQL2008.NativeClient uninstaller / bump ver
feat: SQL2008.PowerShell uninstaller / bump ver
feat: SQL2008.SMO uninstaller / bump ver
feat: SQL2008R2.ClrTypes 10.50.1600.0

 - 10.50.1600.1 because zippy1981 bungled the pushed packages
feat: SQL2008R2.NativeClient 10.50.1600.0

 - 10.50.1600.2 because zippy1981 bungled the pushed packages
feat: SQL2008R2.SMO 10.50.1600.0

 - 10.50.1600.1 because zippy1981 bungled the pushed packages
feat: SQL2008R2.CmdLine 10.50.1600.0

 - 10.50.1600.1 because zippy1981 bungled the pushed packages
feat: SQL2008R2.PowerShell 10.50.1600.0

 - 10.50.1600.1 because zippy1981 bungled the pushed packages
feat: CasperJS 1.1-beta1

 - builds on top of PhantomJS to ease scripting against Phantom
fix (GitConfiguration): Mine / Theirs reversed for DiffMerge
feat(GitConfiguration): release 0.0.4
fix: Erlang16 minor path problem
feat(Erlang16): release 16.01.4 install tweak

 - No change to version, just minor change to PS code
feat(Terminals): release 3.3.0.244477
feat(ConEmu): release 13.9.13.0