Removed unused import in ifconfig parser
Match dotted interface names in ifconfig parser (eg: eth0.24)
Cleanup in SSH backends
Updated VERSION to 1.0 beta
base.ssh now uses ifconfig parser
ssh.AirOS: updated structure of interfaces #37
ssh.AirOS: cleanup #37
Added netengine logo PNG image
Updated README with logo
Removed license from README

It is not necessary because it is stated both in setup.py and LICENSE files
Updated setup.py
Added Alessandro Bucciarelli to AUTHORS
Fixed ifconfig parser test
Added test for to_json method of ifconfig parser
Added iwconfig parser #36
Netengine: manufactuers are now stored in .py file
 * first idea of implementation
Netengine issue#33: some improvements
Netengine issue#33: give a name to the dictionary 
 * it should be easier to import it in other modules
Netengine issue#33: improvements and testing, import to be reviewed
Nentengine issue#33: corrected indentation and spacing