Tux text draws new Sfx and Speak mini-buttons above Tux, when in Stamp mode.
Sfx and Speak buttons (re)-play stamp sounds and stamp descriptions.
ALT+S (mute/unmute) now draws Tux text (to make Sfx and Speak buttons appear/disappear)
Improved Stamp tool description in docs.
Added screenshot of Stamp size, mirror, flip controls in docs.
Documented Left/Right stamp category controls, with screenshot in docs.
Documented Sfx and Speak buttons, with screenshot in docs.
Fixed the "Home" button missing icon problem
Fixed cursor (now it's hidden)
Files are saved on /media/mmc1/tuxpaint by default so users can see them
from the filemanager
Added xpm icon to hildon desktop
