This update for fence-agents fixes the following issues:

A new Google Compute Engine image client was added (fence_ge):

- fence_gce: new agent (pull#159) (fate#325539) (bsc#1088358)
- fence_gce: zone & project parameters are mandatory (pull#177) (fate#325539) (bsc#1088358)
- fence_gce: Clean up and log errors (pull#194) (fate#325539) (bsc#1088358)
- fence_gce: google-auth instead of oauth2client (pull#197)
- fence_gce: logging and non required parameters (pull##211)
- fence_gce: filter call to aggregatedList (pull#218)

This update was imported from the SUSE:SLE-12-SP3:Update update project.