Merge pull request #104 from mlorbetske/master

Updates and cleanup
Added IsValid check RuleSet
Updated BL menu behavior and design
Merge pull request #107 from mlorbetske/master

Fix for issue #105
Merge pull request #109 from mlorbetske/master

Fix for issue #106
Merge pull request #110 from mlorbetske/master

Removed UnusedCssErrorFilter from the CSPROJ
Refactorings
Renaming classes
Updated NuGet packages
Removed unused files
Removed "Preview" from VS product name
Added license to solution root
Pass relative path to LESS parser

Fixes #51
Merge pull request #113 from SLaks/less-relative

Pass relative path to LESS parser
Moved Web Essentials menu down the list
Resolved #78
Added check for directory exist
Nesting web.release|debug.config under web.config

This is only for Website Projects
Merge remote-tracking branch 'upstream/master'