[ticket/12917] Check commit message and image ICC profile on 5.3.3

PHPBB3-12917
Merge branch 'ticket/12917' into ticket/12917-asc

* ticket/12917:
  [ticket/12917] Check commit message and image ICC profile on 5.3.3

Conflicts:
	.travis.yml
Merge pull request #2808 from nickvergessen/ticket/12917

[ticket/12917] Check commit message and image ICC profile on 5.3.3

* nickvergessen/ticket/12917:
  [ticket/12917] Check commit message and image ICC profile on 5.3.3
Merge pull request #2809 from nickvergessen/ticket/12917-asc

Ticket/12917 asc

* nickvergessen/ticket/12917-asc:
  [ticket/12917] Check commit message and image ICC profile on 5.3.3
Merge branch 'develop-olympus' into develop-ascraeus

* develop-olympus: