Fix for 'Issue_413'.
Editor content sanitized at sever and returned.
Merge branch 'master' into #445_Article_Preview
Merge branch 'master' into #413

Conflicts:
	Web Applications/TM_Website/bin/SecurityInnovation.TeamMentor.Website.dll
	Web Applications/TM_Website/bin/TeamMentor.CoreLib.dll
set version to 3.3.1
Moved editor JS to a separate file.
Added pointer to IE buttons.
Web.config modified.
Fixed xmlDB_Delete_Folder method to correctly handle folder deletion
Remove un-needed classes/properties from guidanceExplorer.cs class
Added two new UnitTests to address the scenario of deleting folders and views
Minor format changes
Added delete_Library wrapper method (to help on UnitTest)
Preview being opened and showing edited text.
Updating ga.js
Fixed the issue https://github.com/TeamMentor/Master/issues/482 which created a number of problems in libraries whose name didn't match the library folder name
Changed the way the Library Paths are mapped
Number of changes in the way the libraries are: saved, renamed and deleted (all mappings are now done via GUIDs)
Misc changes to make backend code more readable (number of functions refactored)
Fixed a number of methods calls to return a boolean value based on the success of the action
Fixed existing UnitTests to reflect code changes (re library save, rename and delete)
Added new unit tests to handle the exact scenario that caused the issue #482
Adding TBot Page Current_Virtual_Articles.cshtml which shows the current virtual Articles (and allows the adding of redirect urls)
Removed table fields not relevant to Article redirects (to make it easier to read)
Adding TBot page (Article_Links.cshtml) to view all links from a particular article
Fixing spelling mistake in Article Links column
added color coding for articles that are mapped
Another spelling mistake
changing label coloring
Preview working from editors.