WinForms Designer: Insert new fields below the last field of class in its designer.cs
fix #525: WinForms designer does not properly jump to code when double-clicking a control or event.
Merge pull request #540 from linquize/winform-new-field

WinForms Designer: Insert new fields below the last field of class in its designer.cs
Added Ctrl+F6 shortcut for "Find base symbols", finding base or derived symbols on constructors and destructors now the same as for types.
cleaning up the pull request
Merge+squash #521 changed implementation of PanelSelectionHandler
Fix NullReferenceException in SharpDevelopInsightWindow
make TreeViewOptionsDialog remember the last selection
add ChooseExceptionsDialog for PauseOnHandledException feature
Porting ResourceEditor context menu commands.
reimplement "Insert 'TODO' comment in new event handler" option in Windows Forms Designer
Finished context menu commands of ResourceEditor.
Merged WPF port of ResourceEditor addin for issue #539.
Issue #539 (ResourceEditor): Fixed some issues with creating new entries, filtering, handling of invalid names + code cleanup.
fix #548: 'Choose exceptiosn you want the debugger to break on' window does not have correct owner
fix #549: Breaking on all but one exception type does not work as expected
- Fix #551: Resource Editor: Content column doesn't update properly.
- Re-added view for icon files in resources.
ResourceEditor: Added missing null check.
set the parent window as ChooseExceptionsDialog.Owner
fix #547: XAML CC does not support fully qualified property names in <Setter>