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)
Setup config slice to return a 'slice_success' object from GET against its RESTful API
Adds code that handles non-JSON responses from the Hanlon RESTful API.
These changes are critical for ensuring that the same error handling code is used
with *all* responses from the Hanlon RESTful API (including the text response from
the /config/ipxe endpoint).
Merge pull request #96 from tjmcs/tb/return-config-as-object

Merged.  Thanks, everyone!