Merge pull request #358 from mono-soc-2013/master

[AspNet] Fix interop with xsp
Revert "[AspNet] Fix interop with xsp"

This reverts commit 2d4b0bcf434d5414730f20447d965e2e2dd117c5.
[SourceEditor] Fixed null reference exception.
[IDE] Fixed issues with closed documents list.

Changed to a Stack.
Implemented support for AssemblyBrowser.
Purposefully ignoring Disassembly view.
API changes to NavigationPoint.
Refactored AssemblyBrowser filling.
Merge pull request #359 from mono/blahBlahBranch

[IDE] Fixed issues with closed documents list.
[AspNet] Fix compilation