Merge pull request #73 from webOS-ports/tofe/teststub-update

Tests: Minor fixes for Ofono manager warnings in QtDesktop mode
Merge pull request #74 from webOS-ports/tofe/teststub-update

Tests: fix full launcher application list
CardView: organize cards in groups

Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>
Use a singleton for the WindowModel test stub

Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>
CardView: be more resiliant to a card destruction

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