Add more useful logging of errors during user load.
Add more useful logging of errors during user load.

Previously these only output a small detail via an alert box, which
is useless for debugging. Now we also output the error detail to the
console, which is more ameanable to debug. At some point we should
consider removing the alert box too.

Change-Id: I3067ef8da217a9d53de7fd0581a2aa2df7292ec6

jmorse/cyanide,jmorse/cyanide,jmorse/cyanide,jmorse/cyanide