Merge pull request #124 from webOS-ports/tofe/work

CardView: initialize CardWindowDelegate size with card size
Merge pull request #125 from webOS-ports/tofe/work

Utils: fix slidingArea again
Launcher: reorder items. Note: the order will be reset when luna-next is restarted.

Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>