Changes: fix a memory leak in mnotificationtool
Changes: fix a memory leak in mnotificationtool

RevBy: Artem Egorkine
Details: the ownership of the return value of a call to MNotification::notifications()
is passed to the caller, so it is also responsible of freeing the objects.

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch