Cleanup sample
* Support photo get by size
* Cleanup all controllers to user navbar and navbar items
* Remove all the Save and Back buttons
* Load profile photo as 150x150 size
fixup warnings
* Buddy Starter sample
* fix logout
* add initWithId to BuddyObject to allow wrapping objects around a Buddy ID
remove unneeded logging
Naming consistency, CR feedback
merge develop
Merge pull request #95 from BuddyPlatform/BuddyStarter

Buddy starter, new BuddyObject::initWithId, logout fix