Remove old window scaling

Fix compilation bugs

White space fixes

Allow same key bindings in different tabs

Delete key bindings

Merge branch '2.10'

Fix old scroll wheel code

Merge branch '2.10'

Better zoom and scroll wheel handeling on Mac

Fix scroll wheel issues on Mac
Merge branch '2.10'

Conflicts:
	libbirdfont/DrawingTools.vala

Scroll wheel on Mac OS X

Stroke for circles and rectangles

Fix key binding

Separate theme tab

New color theme

Fix bugs in file dialog on windows

Avoid conflicting key bindings

Adapt spin button to settings tab

Foreground color in tables and events for spin buttons in settings tab

A high contrast theme

Default color theme

Move stroke color settings to the theme

Customizable color theme

Key bindings for zoom in and zoom out
Ctrl++ Zoom in
Ctrl+- Zoom out

Fix compile time error