rename should not be executed, if the name is not valid or the selection was changed
Fix #258: Incorrect property used in WpfDesigner.Designer.ModelTools
Update AvalonEdit.nuspec for 4.4 release.

Changed buildpackages.cmd to process <inheritdoc> in the XML documentation files.
disable support for custom controls in WPF designer, due to http://community.sharpdevelop.net/forums/p/19968/50794.aspx#50794
Update Chocolatey package for 4.4.1
Update version info for next release (4.4.2)
add new breakpoint options popup
add special support for null values in ExpressionEvaluationVisitor
use GetValueException instead of others in ExpressionEvaluationVisitor
implement support for equality comparison
fix #338: Pads on Auto-Hide Show Toolbars Either Cut-Off or Squished
Rework of Alt+Up/Down code moving feature: Now cleaner, supports moving of more types of statements (like using declarations, preprpcessor statements), fixed formatting.
Update NuGet to version 2.8
Merge branch '4.x'

Conflicts:
	src/AddIns/DisplayBindings/WpfDesign/WpfDesign.AddIn/Src/MyTypeFinder.cs
	src/AddIns/DisplayBindings/WpfDesign/WpfDesign.AddIn/Src/WpfToolbox.cs
	src/AddIns/DisplayBindings/WpfDesign/WpfDesign.AddIn/Src/WpfViewContent.cs
	src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/PropertyGrid.cs
	src/AddIns/Misc/PackageManagement/Packages/AvalonEdit/AvalonEdit.nuspec
	src/Main/GlobalAssemblyInfo.template
Some visual improvements in AddInManager's GUI (better text wrapping, buttons at bottom of list entries etc.).
Removed unneeded comment.
fix #305: Add MateY-IndentEngine to SharpDevelop
fixes #109, fixes #144
fix #340 README.txt
additional fix for #338
fix #344: Shortcut Ctrl+Shift+V is duplicate; remove shortcut from "Validate XML" command
Fix title of "Clipboard Ring" popup.