Merge pull request #2 from seils/master

Deploy OpenFlow by answering a few questions
Merge pull request #3 from seils/master

Updated 'cli' usage to work on all Nexus platforms
Merge pull request #4 from seils/master

Updated usage comment
Fixed duplicated code
Added cli wrapper for 9K compatibility
pep8'ified
Merge pull request #6 from datacenter/development

Development
Merge pull request #5 from seils/master

cisco.cli() wrapper, fix print() buffering, PEP8 changes
Updated platform search logic; Added controller IP input validation