fixes a bug with an undefined varaible in the HttpHelper that was
introduced in a recent pull request
Merge pull request #73 from tjmcs/tb/fix-undef-local-var-bug

Fixes #76
Adds code to handle bad HTTP requests in image slice
Merge pull request #82 from tjmcs/tb/fix-image-missing-args-error

Fixes #81 (Internal error thrown by image slice) and fixes #84
Code changes to better handle CLI error output
Merge pull request #86 from tjmcs/tb/catch-more-http-errors

@jcpowermac - thanks for testing.

Fixes #85 (Slice input errors trigger Internal Server Error)
Adds code to make the error returned when ISO validation fails more readable
A few small code changes to make the code more readable
Fixes references to "verify" methods from elsewhere in the codebase (code that prints metadata associated with an image to the command line and code that returns the default MK image reference)
fixes error thrown by 'hanlon config' command
Merge pull request #88 from tjmcs/tb/fix-iso-validation-error

Thanks, Tom.

Fixes #87 ('Missing metadata' thrown during ISO validation)
Merge pull request #91 from tjmcs/tb/fix-hanlon-config-error

Fixes #90 (Error thrown by 'hanlon config' command)
fixes error thrown by 'hanlon config ipxe' command
Merge pull request #94 from tjmcs/tb/fix-config-ipxe-error

Fixes #93 (Error thrown by 'hanlon config ipxe' command)
Merge branch 'master' of github.com:csc/Hanlon into fr-war