They do not save any changes. So i think it's better to keep them separated from the Save button that does save changes.

the loading... text on the buttons was not capitalized before.

So in order to change this in a (more or less) single place i added
new button types to simple_form:

button :wrapped - normal button, with loading and an optional cancel button wrapped in the classical bootstrap action div.
    cancel option contains the url to go to when canceling.

button :loading - simple button with loading text capitalized by using i18n (simple_form.buttons.loading)

Conflicts:
	engines/support/app/views/tickets/new.html.haml

Feature/api quota support + current_user null pattern

when rendered from teh create action due to an error user_id param will
sometimes be an empty string. We should still avoid rendering the
navigation because the path's can not be resolved without a user_id.

The auto_ticket_path is referenced from the tickets_controller like this:
     respond_with(@ticket, :location => auto_ticket_path(@ticket))
While this only uses the location parameter when the ticket is valid it will still attampt to calculate it if not. During the create action this will lead to crashes because the ticket_path can not be calculated for a ticket without an id.

This led to https://leap.se/code/issues/5552 and probably
https://leap.se/code/issues/5545.

Null Pattern for current_user - use it to get rid of some conditionals