Fix for issue #310.

Additionnal query conditions are now added to the main query (in EloquentStatementRepository::addParameters) when related_activities is on.
Adds status images.
Added Gitter badge
Moves Gitter badge.
Adds Gitter for Travis.
Bumps the minor and resets the patch.
Merge branch 'master' into develop
Merge branch 'develop'
Merge branch 'master' of https://github.com/LearningLocker/learninglocker