Implemented narrative images. They display in a popup at the beginning of levels 1, 5, and 9.
Fixed bug where narrative is displayed after completing level and closing popup.
Merge branch 'develop' into feature-implement-narrative
Fixed bug where narrative was no longer shown when pressing "Next Level" from levels 4 or 8. This bug was because recent changes on develop relating to the segues from the end of level view controller (actually, the style with which it was presented) made it so dismissing that view controller no longer calls the viewDidAppear method.
Merge pull request #69 from zsweedyk/feature-implement-narrative

Implemented narrative images. They display in a popup at the beginning o...