Added regex to parse the dell switch cmd prompt.
modified the regex in dell.py to match the cmd prompt of dell switch
decreased the verbosity of the code in dell.py
Removed some redundant code
Removed redundant files.
removed files
fix #64

The fix handles multiple vlans across group scenario. The function
deploy_group has been broken into two function where the helper
function configures switch based on individual vlan ids.
  fix#64

  Refactored the code for deploy_group function.
  Implemented two more helper functions.
  fix#64

  Refactored code to cleanup code - removed extra function.
  Also cleaned up the doc strings.
Updated docs to reflect the new branch structure.
Merge branch 'bug57' of git://github.com/cci-moc/haas