Merge branch 'hotfix/travis-ci'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'release/1.5'
Merge branch 'develop' into hotfix/appledoc
Convert comments to Appledoc-compatibility

Use Markdown within comments.
Clone a resource using -[clone:someOtherResource]
Test cloning resources

Test passes.
Merge branch 'feature/clone-resource' into develop
Version bump to 1.6 (553.39)
Merge branch 'hotfix/appledoc' into develop

Conflicts:
	ActiveResourceKit/ARResource.h

Merged with clone resource feature.