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

updates UI to bootstrap v2

WIP rails3 migration

refs #1231 smart variables ui improvemnts

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

fixes #1231 - make first pill active by default vertical pills

wip #1231

fixes #1046 - Error when editing a lookup key

fixes #322 Ability to add custom variables and multiple values resovled
in a dynamic Hierarchally order

This commits introduces the ability to define variables per puppet
class.

additionally, each class can have multiple values, depends on the host
which is requesting that variable....

Fixes #366 - Redmine authorization port

This is a major feature which provides RBAC authorization within Foreman
a mental note to myself - never ever work on large commits

fixes #208 - use nested_attributes for lookup parameters

fixes #141 - add support to extlookup kind of queries through foreman
usage:
wget -q -O - "http://foreman/lookup?key=ntpserver&order[]=my.domain&order[]=common"
if you want it in YAML, just add:
wget -q -O - "http://foreman/lookup?key=ntpserver&order[]=my.domain&order[]=common&format=yml"