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

Fixes #132 - Added a clone operation

This clones the AR, attaches clones of the
originals host_parameters and then renders the "new" action, ready for editing.

The host_parameters must not use validate_presence of :host_id when using nested attributes.
Created a hidden :nested attribute to the form to flag this behaviour...

Fixes #183 - Adds searchbar facility to hosts

Qualified the fact_selected partial
Added a reset button
Added popup help
Beautification and grooming

fixes #235 - Small refactoring of the media handling for operating system families: * Use URI class for any URI related operations * Added substitution for $version, $major and $minor in media path * Force use of http(s)|ftp|nfs URI schema: NFS shares have now to be entered in URI form: nfs://server/path/.../ instead of server:/path/.../

• added better module detection to properly show the module list
• Add sorting to module class lists
• Add description to each link

added titles to hosts show page actions

fixes #224 - edit multiple fails on operating system

fixes #222 - add search and sort functionality to dashboard host lists

fixes #220 - show all used puppet classes when using storeconfigs