TypeScript: Removed drag 'n drop handler

This feature is now supported in VS Update 2 CTP 2 natively
CSS: Fixed load error
CSS: File locking issue. Fixed #720
Intellisense: Evalute color variables's value.
Code: Formatting and cleanup.
Merge pull request #728 from am11/master

Intellisense: Evalute color variables's value
Added dependency on Update 2 CTP 2
JS & TS: Disabled curly outlining. Fixed #710
TS: Fixed crash when output dir doesn't exist
Updated JSON.NET and AjaxMin NuGet packages
Code: Simpler approach to evaluate variables.
Merge pull request #730 from am11/master

Code: Simpler approach to evaluate variables
Preview: Clipboard exception fixed (#719).
Merge pull request #732 from am11/master

Preview: Clipboard exception fixed (#719)
Sass: Removed formatting blocker. Fixed #735
ProjectHelpers: Don't add existing files to
project (fixes #662).
* Simplify AddFileToProject() method logic.
Code: Minor improvement.
Merge pull request #733 from am11/master

ProjectHelpers: Don't add existing files to project (#662)
Compiler: Fixed njsproj compilation issue.
Fixed the bug which was preventing less and scss
compilation.
Merge pull request #741 from am11/master

Compiler: Fixed njsproj compilation issue