PH: Fixed the event list stuff in the mapview, also added the expandable list view to the map screen. Set up the click functionality of the child elements in the accordion list to zoom onto the location and put up a toast message for the time being.
Merge branch 'master' of https://github.com/RShankar/Empower-App-WhatsUp-Fall-2014

Conflicts:
	Source/app/src/main/java/com/group2/whatsup/MapScreen.java
Merge branch 'master' of https://github.com/RShankar/Empower-App-WhatsUp-Fall-2014

Conflicts:
	Source/app/src/main/java/com/group2/whatsup/EventDetails.java
	Source/app/src/main/java/com/group2/whatsup/MapScreen.java