All list returns in DiningSession, Menu, Order, Restaurant return deep
copies. Restaurant has menus stored in a Map (with appropriate methods)

Dining Session has new fields for storing users, start and end times,
and a checked in flag
Fixed Check In button placement.  Moved it to DineOnUserActivity
Updated the library manifest, added Utility function to check network
connection
Test push to remote
Merge pull request #37 from mhotan/master

Test
Merge pull request #35 from blasv/class_skeletons_zach

Made most changes to the skeletons. No fields fully immutable right now
Merge pull request #36 from espeo196/master

onSaveInstanceState & onRestoreInstanceState
Fixed references to Menu in Restaurant
Merge pull request #38 from espeo196/master

Changed onSave/RestoreState Implementation
Merge pull request #42 from blasv/class_skeletons_zach

Fixed references to Menu in Restaurant
Fixed Restaurant build errors
Merge pull request #44 from blasv/class_skeletons_zach

Fixed Restaurant build errors
Removed reference to clone
Minor style changes.
Merge remote-tracking branch 'upstream/master'
Merge pull request #45 from blasv/class_skeletons_zach

Removed reference to clone-check before approving
Merge remote-tracking branch 'upstream/master'