pmg activity color fix
Merge branch 'master' of github.com:Heigvd/Wegas

# By Francois-Xavier Aeberhard (5) and Yannick Lagger (1)
# Via Francois-Xavier Aeberhard (1) and Yannick Lagger (1)
* 'master' of github.com:Heigvd/Wegas:
  Loader
  Fix #257
  Fix #299
  Show label in mcqtabview if no title is provided
  Fix issue in gamemodelselect in loader
  Fix #309