fixes #1849 - Add the current hostgroup name when editing

[UI] Fixed inconsistent tab naming for the initially active tab

fixes #1664 hostgroup-selected for edit host is broken.

adds ec2 provisioning support fixes #1223

- added progress bar for instance creation
- minor fixes for certname based deployments
- added ssh provisioning support to orchestartion, which utilize finish
scripts by default
- added images support (part of the vm compute tab)...

updates UI to bootstrap v2

fixes #1503 - When creating a host, it should be possible to define a Puppet CA and a Puppet Master to use

fixes #1411 - hostgroup ajax actions are mostly broken

fixes #1333 -Destroy vs Delete inconsitent naming

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

WIP rails3 migration

fixes #1272 - New Hostgroup: Selecting an environment does not update class list