Code: Refactor and minor improvements.
Merge pull request #394 from am11/master

Code: Refactor and minor improvements
File icons: Update the .bundle icon
Markdown: Enabled custom CSS button. Fixed #396
Root folder cleanup
Tests: Fix spelling errors
Tests: Fix FluentAssertion extension messages

Make messages consistent with
FluentAssertions built-in messages
Tests: Clean up VSTest class

Rename to VSHost
Use property instead of method
Tests: Reorganize test folders

Fix casing, remove unnecessary folders
Merge pull request #397 from SLaks/test-cleanup

Cleanup unit tests
Code: Refactored WriteFile method.
Test: Change settings default host.
Merge pull request #398 from am11/master

Misc fixes
UnitTest: Added Tests for IntellisenseType, added tests for Nullable, Collections, etc.
Merge branch 'unittest' of github.com:DerAlbertCom/WebEssentials2013 into unittest

Conflicts:
	EditorExtensions/Commands/Code/IntellisenseParser.cs
	WebEssentials2013.sln.DotSettings
UnitTest: Added ShortCut for Running VS2013 in Exp Hive