Merge pull request #119 from mikemcgowan/travis

lib/expander/src/Controller.php

lib/expander/src/Events/AssignmentGraded.php

lib/expander/src/Events/AssignmentSubmitted.php

lib/expander/src/Events/AttemptEvent.php

lib/expander/src/Events/CourseCompleted.php

lib/expander/src/Events/DiscussionEvent.php

lib/expander/src/Events/Event.php

lib/expander/src/Events/FacetofaceAttended.php

lib/expander/src/Events/FacetofaceEvent.php

lib/expander/src/Events/FeedbackSubmitted.php

lib/expander/src/Events/ModuleEvent.php

lib/expander/src/Events/ScormLaunched.php

lib/expander/src/Events/ScormSubmitted.php

lib/expander/src/Repository.php

lib/expander/tests/AssignmentSubmittedTest.php

lib/expander/tests/DiscussionEventTest.php

lib/expander/tests/FacetofaceEventTest.php

lib/expander/tests/ModuleEventTest.php

lib/expander/tests/ScormLaunchedTest.php

lib/translator/docs/examples/assignment_graded.json