MVP-816 - sorting by email
MVP-823, MVP-822, MVP-819 - fixes
adding new image set for icon
MVP-825 - Undo enabled for checkin
Server changes and adding first and last name
adding loading spinners for sign in and main page
sorting on landing page for events
Update to support Xcode 6.1, fixes for event capacity
Upped version
adding check for no last name
adding pos demo baseline code
Adding API classes from WC for now, need to investigate modules for this
last add to the master for pos, move to another branch
merged master, working for xcode 6.1