fixes #1606 - foreman returns to main screen after session expiry

refs #1503, ensures that puppet proxy is not required if you are not provisioning

UI fixed error in provisioning template, edit page.

fixes #1603 - Login Screen improvments

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

init script typo

refs #1589 - Remove hardcoded vmware vsphere_expected_pubkey_hash

Now, users will create a ~/.fog file containing:

=begin
:default:
:vsphere_expected_pubkey_hash: HASH_VALUE
=end

Fog will use this file when contacting vsphere to validate the ssl cert....

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...

Rails logger does not exists at this stage, removing

Fixes #1596 Add back button of console page.