Tie up loose ends in geni-init-ca.
Tie up loose ends in geni-init-ca.

Fix FIXMEs, improve error handling, improve error and warning
messages.

charliemeyer/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal