Begin refactor process
Make DescribeItemAttribute functions use same function
Clean up listing items based on ID, particularly parameter gathering
Cut down on repeated code in controllers
Clean images controller a little
Reformatting
Modify how errors are handled, clean volumes a little
Merge branch 'master' of github.com:imduffy15/ec2stack into refactor
Change how args are passed to create volume, clean up a little
Minor changes to controllers