fixes #1603 - Login Screen improvments

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

fixes #1595: show success on test connection

Added css class "btn_success" to the test connection button when the connection
is successful.

This still leaves behind a problem with ec2 (and probably rhev and vmware) where
testing the connection resets the selected region (or, datacenter for rhev and...

Fixes #1596 Add back button of console page.

fixes #1600 - records are deleted even though host is not Managed

[UI] minor changes to ldap page.

- LDAP attributes mappings are not related to on the fly creation

fixed a bug in the host-group truncation function.

added ace code editor to the provisioning template edit page.

added info text to the assosiation tab of the provisioning templates page.

fixes #1566 - Puppet CA set incorrectly when only one proxy is defined

fix certificates and autosign list views