Group management script

This a simple script to list/add/remove/enabe/disable groups, instead of having to deal with the database directly.

All actions (excepted add) support the wildcard character *. It should be intuitive enough to use.
Add config parameter for the api listening socket

Add api_host and api_port in 'site' section of the config
Bind the api according to config

Use api_host and api_port from config instead of hardcoded values
Merge pull request #43 from guillp/master

Fix for empty rage_show['akas']['aka']
Merge pull request #42 from guillp/patch-1

Group management script
Update api.py

Use default values for socket binding if the config file does not contain user specified values.
Merge pull request #44 from guillp/api-binding

Api socket binding config