F# syntax highlighting had duplicate 'sig' keyword

Removed the duplicate! This is an OCaml reserved word, see:
http://msdn.microsoft.com/en-us/library/dd233249.aspx
[WinPlat] Implementation of GetApplication for Windows Platform
Connected implementation of AssocQueryString module also present.
[WinPlat] Remove *itself* MD/XS from Open With List
Not allow an entry of MonoDevelop/Xamarin Studio to be present
in the Open With Right click Menu.
[WinPlat] Code Migration to Win32.cs
Assocation String, Association Flags enums shifted to Win32.cs
AssocQueryStringW shifted to Win32.cs
[Ide] Check references on configuration change.
[AssemblyBrowser] Added the resource folder again.
bumped debugger-libs
[Debugger] When allowing method evaluation, don't forget to enable AllowTargetInvoke
bumped debugger-libs
bumped debugger-libs
bumped debugger-libs
bumped debugger-libs
[Debugger] Updated some unit tests (now that simple properties are evaluated)
bumped debugger-libs
[Debugger] When resolving tooltips, set both AllowTargetInvoke and AllowMethodEvaluation to true

Fixes bug #20521
[Ide] Do not show all files in solution folders.

Addresses bug 19704 - Exception displayed if show all files options is active and user tries to create new folder in newly added solution.

Showing all files in solution files can lead to confusing behaviour when a project is shown as being a child of a solution folder when, in fact, it is not. Solution folders should only show projects that have been explicitly added to that folder.
Updated reference to md-addins
Updated reference to md-addins
Updated reference to md-addins
Merge pull request #585 from sgmunn/fixbug-19074

[Ide] Do not show all files in solution folders.