Updated commands; Fixed Major Issues

[hspencer77]

Contains fixes for the following issues:

• UnboundLocalError: local variable 's3_url' referenced before assignment #78
• Update 'eucalyptus_core' method to grab individual service information #73
• Gather instance status information using euca-describe-instance-status #72
• Add commands to gather Eucalyptus VPC information #71
• FR: Add subscription cert information #67
• Add support for 'euca-describe-conversion-tasks verbose' #66
• Update resource gathering for User Console 4.0 #65
• For Eucalyptus 4.0, AWS_IAM_URL should be used instead of EUARE_URL #64
• For 3.3.x and Greater, Use AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY #63
• New Euare Commands for 4.0 #61
• Add CloudFormations Commands #62
• For Edge network mode, grab XML files on Node Controllers #58 (for @lwade)
• Add additional iptables options as part of euca core module #57