Disable print option in Appmenu during new game screen
Add accelerators for Undo, Redo and Print actions

Move Help and Quit accels from data/gnome-sudoku-menu.ui
to src/gnome-sudoku.vala
Move print options to a submenu in the Appmenu
Flip the Clear Board and New Game buttons
Updated Hebrew translation
Allow earmarking numbers using Ctrl+number

https://bugzilla.gnome.org/show_bug.cgi?id=731222
Use icon for back button in new game screen

https://bugzilla.gnome.org/show_bug.cgi?id=731214
Link the Undo/Redo buttons in headerbar

https://bugzilla.gnome.org/show_bug.cgi?id=731275
sudoku-printer: Update gsettings path
Simplify Print Multiple Puzzles dialog

https://bugzilla.gnome.org/show_bug.cgi?id=731213
Rename 'DifficultyCatagory' to 'DifficultyCategory'

Also correct the typo 'catagory' in variable and method names to 'category'
Show puzzle completion time as hours, minutes, seconds
Group 'New Puzzle' and 'Clear Board' buttons in a SizeGroup

https://bugzilla.gnome.org/show_bug.cgi?id=731289
Updated POTFILES.in
Updated Hebrew translation
Fix Undo/Redo after using Clear Board

https://bugzilla.gnome.org/show_bug.cgi?id=731216
Updated Spanish translation
Remove unused gsettings keys

https://bugzilla.gnome.org/show_bug.cgi?id=707587
Improve sudokus printing

- Center puzzles horizontally on the page
- Increase vertical spacing between two puzzles on same page
- Remove difficulty rating float from the labels above the puzzles
sudoku-printer.vala: Code Cleanup