enable sandbox autodetection
Inital basic code for top-level userLists
Merge remote-tracking branch 'upstream/master' into na_userlists

Conflicts:
	Src/Lib/BuddySDK/BPObjects/BPClient.m
Search radius of 10 is too small to return any results
Revert 'isProduction' changes for Push that were in Master
Initial code for AddUser to list
Implement Search and Delete User from UserList
Add a default search limit of 25 if not specified by the user
Try to improve comments in Buddy and User List classes for generated documentation
Fixed typo in Metadata search callback (was BuddyObjectCallback but should be BuddyCollectionCallback)
Comments for User List
Fixed: createUser does not populate Gender_Unknown correctly.
Update Default Search limit to be 100 to match DotNet SDK
Fix retain cycle warning in UserList tests
add finishMetric  instead of signalComplete (need correct deprecation warning)
Missed a file
Fix possible crash in delete user list (if error==nil)
Make BPNotificationType_ match DotNet
Addded notification types
Merge pull request #72 from nickatbuddy/na_userlists

Initial Userlists implementation