Description of problem:

The cli command "gluster vol geo-rep status" should give info about all geo-rep sessions (outputting an empty table if there is none. It fails indeed.

Version-Release number of selected component (if applicable):


How reproducible:

Always.

Steps to Reproduce:
1. gluster vol geo-rep status

Actual results:

geo-replication command failed

Expected results:

MASTER               SLAVE                                              STATUS    
--------------------------------------------------------------------------------
...

Additional info:

- Similarly to Bug 812801, it's also caused by http://review.gluster.com/3083
- However, http://review.gluster.com/3157 does not fix it
- Argumented variants ("gluster vol geo-rep status <MASTER>", "gluster vol geo-rep status <MASTER> <SLAVE>") do work.