fixes #832 - adds parameterized class support

Credits:
This patch is based on the original work of Olivier Favre
<olivier@yakaz.com> many many thanks!

• import class parameters, and try to understand their types
• support a complex matrix of environments, puppet classes and their...

fixes #1165 add inherited params display and override option to the host form.

Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

smart vars looks sharper.

added well to all forms.

UI - more explicit button description for the add child node.

updates UI to bootstrap v2

fixes #1333 -Destroy vs Delete inconsitent naming

Signed-off-by: Florian Koch <florian.koch1981@googlemail.com>

WIP rails3 migration

fixes #1282 - added smart variables to settings menu.

refs #1231 smart variables ui improvemnts

1. Moved remove button to the action bar.
2. Fixed remove of new variable.