calendar view and image downloading

Calendar UIView added as header to events view table view.
Code for calendar view comes from github repo
https://github.com/PeteC/DSLCalendarView with proper copyright info in
related classes.
Started event image downloading code for event speaker images
Merge branch 'master' into Ebby

Conflicts:
	FIU CIS Events Calendar.xcodeproj/project.pbxproj
Revert 27a2aa1..37feeab

This rolls back to commit 27a2aa187ecd845255d9d21d208cc7ed3fdf85f1.
Merge branch 'Ebby'
Revert 37feeab..cffbaa4

This rolls back to commit 37feeab9e29aa566497d2329c545e166ab09ae3f.
Merge branch 'Ebby'