[qmf-notifications-plugin] Fix memory leak

Each Notification::notifications() call is allocating new objects which
must be deleted by the caller.
Merge pull request #17 from monich/leak

Fix memory leak
[qmf-notifications-plugin] Fix memory leaks

The object allocated by Accounts::Manager::account() needs to be deleted
by the caller.
Merge pull request #18 from monich/leak

Fix memory leaks
[qmf-notifications-plugin] Fix memory leak

RunningAction objects need to be deallocated after they are no longer
needed. Otherwise they hang around until ActionObserver gets destroyed
which it never does.
Merge pull request #19 from monich/leak3

Fix memory leak
[qmf-notifications-plugin] Organize project structure
Merge pull request #20 from nemomobile/fixStructure

[qmf-notifications-plugin] Organize project structure
Bump version
[qmf-notifications plugin] Initialize vars in the ctor.

Fixes CID#59680, CID#59679
Merge pull request #21 from nemomobile/fixCov

[qmf-notifications plugin] Initialize vars in the ctor.