pageloader min width and height

* Fix #482
Inbox order desc

*Fix #484
Merge branch 'master' of github.com:Heigvd/Wegas

# By Francois-Xavier Aeberhard
# Via Francois-Xavier Aeberhard
* 'master' of github.com:Heigvd/Wegas:
  Fix is state machine viewer update
  Fix state machine viewer layout
  Fix issue in game controller