Added the Nexus driver
new line added, in the comments DELLis changed to Nexus
Document node_power_cycle
Merge pull request #246 from gsilvis/power-cycle-doc

Document node_power_cycle
Move 'trunk_port' option from 'switch dell' to 'driver simple_vlan'

This finally eliminates the 'switch dell' section, and will make it easier to
generalize the deployment tests
Factor Dell code out of deployment tests
Restore part of erroneously removed comment
Merge branch 'driver-refactor' into cisco
Move nexus.py to proper location, refactor
Document limitations of deployment.cfg
Merge pull request #248 from gsilvis/driver-refactor

Driver refactor
Merge pull request #249 from gsilvis/cisco

Cisco
Move Dell-specific code from deployment tests to driver
Move simple-vlan specific code from deployment tests to driver
Merge branch 'regeneralize-deployment' into complex-vlan-driver
Make complex-vlan driver testable