Add back oauth
Remove unused files
VDKBase64->VDKBase64
Renamespace encryption classes
Renamespace VENPermission and VENSession
Final renamespacing
VenmoSDK -> Venmo
Rename project & folders
Rename sample project
Update .travis.yml
Merge pull request #2 from venmo/bg/oauth

Bring back oauth support
Merge pull request #3 from venmo/bg/cleanup

Remove cruft
Merge remote-tracking branch 'origin/v2' into bg/renamespace

Conflicts:
	VENAppSwitchSDK/URL Handling/VENURLProtocol.m
	VENAppSwitchSDK/Venmo.h
Merge pull request #4 from venmo/bg/renamespace

VDK -> VEN
Merge branch 'bg/renamespace' into bg/project

Conflicts:
	VENAppSwitchSample/Podfile.lock
	sample/VenmoSDKSample/VDKSampleViewController.m
Fix merge issues
Merge pull request #5 from venmo/bg/project

Renaming
Add VENCore
Replace VENTransaction with VENTransaction+VenmoSDK
Remove VENUserSDK