Fix DialogKaiToast Notifications

Add additional images as necessary.  See: http://wiki.xbmc.org/?title=XBMC_Skinning_Manual#DialogKaiToast.xml
Fix DialogSeekBar Layout

Group controls to align buffering label to background.
Cleanup Home Layout

Cleanup the placement of the submenu items on the home page.
Merge pull request #32 from bumpaneer/Gotham_Label_Cleanup

Gotham label cleanup