updated incorrect url path, refs #179

fixes #257 - When creating a new hostgroup, it fails if I add a parameter when creating

yet another fix for #216

fixes #216 - Validate uniqueness of a parameter name for Individual hosts

fixes #246 - add kickstart compatibility with RHE6 and minor fixes for ftp based urls

Fixes #240 - Clone operation highlights changes correctly

The clone operation no longer flags edits as errors. This looks better.

fixes #233 - In the "Show" page for a Host, Build link should not be visible when Unattended is false.

Fixes #179 - allow mass assignment of parameters and host groups.
Greatly inspired by Ashay Humane <ashay.humane@gmail.com> at 5c2e395c

refs #180, updated query library to use verbose mode

fixes #180 - Query to return more information