[lipstick] Don't send touch events to hidden or disabled clients
[lipstick] don't unlock before init() has been called
Merge pull request #216 from rainisto/jb24842

[lipstick] don't unlock before init() has been called
Merge pull request #217 from giucam/fix_crash

[lipstick] Make sure all deleted windows are removed from the lists
Merge pull request #211 from giucam/master

[lipstick] Don't send touch events to hidden or disabled clients
[lipstick] Fix crash on close regression

6c6a924 reintroduced a segfault when closing lipstick. m_compositor
was used after being reset to NULL.