1010016 - blacklist options; require gofer 0.77 which logs messages at DEBUG

https://bugzilla.redhat.com/show_bug.cgi?id=1010016

Combination fix:

1. The logging of messages changed to DEBUG in gofer 0.77.  Fixes agent.log.
2. Blacklist the 'options' parameter specified in the Task.  Fixes pulp.log.

Blacklisting the entire 'options' parameter is not ideal because logging the options can be helpful in troubleshooting.  However, it's my understanding that it's the only way supported by tasking subsystem.

Gofer already updated to 0.77 in pulp/deps.

Although, node sync (update) takes the path of a consumer content update, I decided to blacklist options for install and uninstall for consistency.