Add base-id, range-size and range-type options to trust-add dialog

https://fedorahosted.org/freeipa/ticket/3049
Hide 'New Certificate' action on CA-less install

This action calls cert-request command which is not available on CA-less installs. Thus this action won't be enabled and therefore there is no reason to keep it visible.

https://fedorahosted.org/freeipa/ticket/3363
Web UI integration tests: CA-less

Test cases according to: http://www.freeipa.org/page/V3/CA-less_install

https://fedorahosted.org/freeipa/ticket/3830
Web UI Integration tests: Kerberos Flags

Tests according to: http://www.freeipa.org/page/V3/Kerberos_Flags

https://fedorahosted.org/freeipa/ticket/3831
Web UI integration tests: ID range types

https://fedorahosted.org/freeipa/ticket/3834