JS+CSS minimization. #41
YUICompressor added. #41
Merge branch 'dev' into dev-minjsandcss

Conflicts:
	Modules/BetterCms.Module.Root/BetterCms.Module.Root.csproj
	Sandbox/BetterCms.Sandbox.Mvc4/Global.asax.cs
Minification configs added to all modules.
Merge branch 'dev' into dev-minjsandcss

Conflicts:
	Modules/BetterCms.Module.MediaManager/BetterCms.Module.MediaManager.csproj
Merge branch 'dev' into dev-minjsandcss
#322 changed add new tag logic.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#319 removed JavaScript.
Merge branch 'master' into dev
#330 Fixed bug: after cloning page, sitemap is opened and after sitemap redirecting to page;
Updated sandbox Application_AuthenticateRequest.
Merge branch 'dev' into dev-minjsandcss
#177: site settings widget list getting updated.
#306 changed -250px to -260px
#339: content can be deleted by content editor.
#318 fixed regexp.
#304 changed image align.
#99: content draft destroy message showing updated.
#99: media manager updated for BcmsDeleteContent access right.