Tile CSS.
Transforming Tiles on mousedown

Added jquery scripts as extension for tiles.
Removed css file

metro-bootstrap-responsive caused our main div to align left, instead of
leaving it default.
Working tiles + Tile Icons added
Added some sort of welcome header

Bug; the "wrapper" doesn't wrap all around the tiles (Tiles stick out of
the wrapper div at the bottom).
Merge remote-tracking branch 'origin/Homescreen'