[TextEditor] Height tree uses now the avl tree implementation.
Bump nrefactory.
Revert "[TextEditor] Height tree uses now the avl tree implementation."

This reverts commit 99000c2f0ef24028648f62a787e6f9eceeb1c033.
Revert "[TextEditor] Segment tree is now using the avl implementation."

This reverts commit 5280d6a0cd52513c8c0c6d865e9fcb2606b964c7.
[TextEditor] Compressing tree list now uses red-black trees again.
Fixed 'Bug 13727 - Error and warning icons misaligned with a black
right border'.
[CSharpBinding] Fixed bug in automatic bracket insertion.
[CSharpBinding] Fixed null reference exception.
Implemented 'Bug 12547 - provide control over competion
trigger-characters'.
[Ide] Completion suggestion mode is now persisted.
I removed the shortcut - it's seldom used and may lead to confusion -
it's activated too easy by accident. People that need that can make an
own key binding or use the menu.
Added missing files.
Bump nrefactory.
[SourceEditor] Turn off completion characters option panel.
[Refactoring] Better batch fix context menu.
[Debugger] Improved code-completion for debugger console
[GnomePlatform] Default to "Monospace" font when font can't be read
from the gnome configuration.
bumped debugger-libs
bumped debugger-libs for async method StepInto fix
[Debugger] Make ExceptionCaughtMessage implement IDisposable
Merge branch 'master' into flexible-grouping

Conflicts:
	main/external/debugger-libs
	main/external/monomac
	main/external/nrefactory
	main/external/xwt
	main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/CodeAnalysisRunner.cs
	main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/CodeIssuePad.cs
	main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/CodeIssueProvider.cs
	main/src/addins/MonoDevelop.Refactoring/MonoDevelop.Refactoring.csproj