Small documentation fixes
Mostly an initial clone of the registration view docs
Merge branch 'master' into feature/IACO-551-document-preference-view
Got up to the KIAPreferencesViewControllerDelegate
Finished documenting the preferences view
Simplified code example
Merge pull request #11 from yuval-netanel/feature/IACO-551-document-preference-view

IACO-551 document preference view