Disable PM context menu build/test-items along with those in the main menu
Add Run / Clean Project to the PM context menu
Turn "Build Project" into "Cancel Build" while building, closes #184
Breakpoint panel: make more cells clickable (closes #401) + rename "Exp" to "Condition"
Fix potential invalid index exception in ScintillaHelper.ActivateDocument()
Some cleanup
Cancel Build -> Stop Build
Add confirmation popup for stopping builds
Try-catch GetDirectories() call in PathExplorer#ExploreFolder()
Fixes NPE
Remove Unnecessary Usings
Merge pull request #430 from SlavaRa/fixes-TraceManager

Fixes Null References Error from TraceManager.Add(null);
Fixes Null References Error from 'new FileModel(null)'
Merge pull request #431 from SlavaRa/fixes-ASCompletion.Model.FileModel

Fixes Null References Error from 'new FileModel(null)'
Fixes Null References Error from ASCompletion.Context.ASContext->GetDeclarationAtLine() if ASCompletion.Context.ASContext->cFile == null
Merge pull request #432 from SlavaRa/fixes-ASCompletion.Context.ASContext

Fixes Null References Error from ASCompletion.Context.ASContext->GetDeclarationAtLine()
Fixes Null References Error from ASCompletion.Context.ASContext->GetCachedFileModel() if ASCompletion.Context.ASContext->classPath == null
Fixes Null References Error from ASCompletion.Context.ASContext->GetCurrentFileModel() if ASCompletion.Context.ASContext->CurSciControl == null
small refactoring...
fix typo...