fixes #1957 - remove old libvirt hypervisors code

Since foreman 1.0 libvirt hypervisors are now part of compute resources
this patch removes the old code and migrate any existing hypervisors to
be libvirt based compute resources.

fixes #1872 - Adds Puppet v3 support

Fixed validation error handling and auth durin admin user creation

Fixed array structure in API v1 user controller test

Refs #1920 : Fix failing tests for Setting[:foreman_url] Ensure plain 'http' protocol is used in templates Add a test to ensure http is used when https is in @request

feature #1906 add Trend information

Signed-off-by: Amos Benari <abenari@redhat.com>
Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

used media/show partial and added to tests

added dns_id, dhcp_id, tft_ip attributes even though they are nested as children to be consistent with current api

fixes #1907 - audit log should contain puppet class assignments within a hostgroup

minor API v1 fixes

• fix unknown variable name
• enable apipie params validation
• update config_template api doc