More styling!
Fixed Undo/Redo error+TextBox styling
Fixed highlight text in textbox error
No attributes = No dotted line (Swweeeet!)

Styling boxes
Added undo/redo keyboard shortcuts

And changed undo/redo function in UndoRedoController to work better.
merged master to Themi
Keyboard shortcuts works. 'enter' releases focus
Merge pull request #9 from plantener/Themi

Themi
merge tobias with master