Fix #15 (Bigger buttons, WIP)

[Nubbie]

Part 1: Resize the buttons Part 2: Increase the font Part 3: Add a new button Part 4: Assign the button

Progress:

[LRFLEW]

This is why I hadn't done that already:

Before:

After:

Messing with the button sizes manually often overrides the default theme, forcing it to use the built-in Qt theme, with sucks. I'd rather not mess with the button sizes if it means removing the native feel of the launcher.

[Nubbie]

Will put this on hold for a while then to see if this could be fixed and all :U

[Margen67]

Bump :^)