updated quiz jar library
fix background colour for completed activities
try to fix some issues with alert dialogs causing errors on screen
rotation
temp fix to prevent errors on screen rotate
Make quix question images larger
Get swipe working with Viewpager for page activities
Get swipe working in ViewPager for quizzes and resources
Use getView() instead of ctx in Resource widget
CLOSED - task 237: Fix for when multiple quizzes in same section 
https://github.com/DigitalCampus/oppia-mobile-android/issues/issue/237
Refactor for using org.nurhi.oppia