Put VB.NET Mono project templates under VB category.
Fix assembly resolution for Mono projects targeting .NET 4
Merge branch 'master' into newNR
add simple implementation of ClassBrowserPad, ClassBrowserTreeView and some tree nodes
update paths to VB project/file icons
fix TreeNode implementation
update tests to work with IAssemblyModel
add tests for IAssemblyModel.Namespaces
do not only add the first type of a namespace :)
add/update documentation for IAssemblyModel and INamespaceModel
add GoToDefinition on ActivateItem for TypeDefinitions
add type members to ClassBrowser
Fix Visual Basic project and file templates.

Templates were using the old icon resource names.
Update Mono addin sample for SharpDevelop 5
Publish Mono addin sample to MyGet
Clarify some comments.
Remove Update() method from ITypeDefinitionModel / IMemberModel.
Fix a couple of compiler warnings.
Fix CSharpCompletionDataFactory.CreateTypeCompletionData() for generic types.
Added EntityContextMenu to class browser.