Fix @Override annotations
Make the model serializable and concrete
Use SWT clipboard API which allow copy-paste between applications

Conflicts:
	TuxGuitar/src/main/java/org/herac/tuxguitar/app/editors/TablatureEditor.java
Remove trailing white space
Organize imports
Remove pointless TODO
Fix track color when repeat is open
Fix size of the track table cell when widget is not yet on the layout
Fix track table scroll
Typo