Fixes error alertview so it shows friendly message
Adding a log of the full auth error with the cleaner display message
Merge pull request #749 from khawkins/better_auth_error

Fixes error alertview so it shows friendly message — Adding full error log
Merge remote-tracking branch 'upstream/master' into unstable
Merge pull request #751 from khawkins/unstable

Mobile SDK: Merging master to unstable