Remove commented code
Remove unused code
Move Panels from File to main menubar as a mainmenu item instead of submenu item.
Rename (menu) Panels to Panel
Move Properties menu item from Edit to Canvas, since it is properties of canvas.
Remove close window menuitem from File menu.
Remove unused code
Remove unused code
Remove close view action (unuse anymore)
Move (canvas) options from File to Canvas menu
Re-organize File and Edit menus

Move "Input devices..", "Setup..." and "Reset to default Setup" menu items from
File to Edit and re-arrange some items of File menu
Switch the positions of Help and Panel menus
Add "..." to some menu items

Add "..." to those which will open a dailog to let user interactive before actually run the command,
"Save As" to "Save As..." for example.
Rname Help->About to About Synfig Studio
Remove some action definations from app.cpp to cleanup the app.cpp

These actions are defined in canvasview.cpp or mainwindow.cpp
Remove actoin definations from app for those actions which defined in mainwindow or canvasview
Remove action definations from app for those actions defined in canvasview
Rename Setup... menuitem to Preferences... (UI only)
Rename menu item Canvas->Properties to Properties...
Typo