Added img folder with glyphicons used by bootstrap.min.css 2.3.2
Updated azkaban-2.2.jar to include setMailCreator fix in ExecutableFlow.java
Reverted reportal.css changes, which messed up layout on reportal-list page
Fixed NullPointerException when trying to view a non-existent report; also fixed a JavaScript syntax error and adjusted formatting in reportallistpage.vm
Resolve merge conflicts.