First add of ex_force_abse_url
Merge branch 'staging' into openstack_custom
Strip v2.0 from openstack url if it's there
Add compute_endpoint as optional param when adding backend

It is used in custom installations of OpenStack, when
there's a custom endpoint for the Compute service
Add new OpenStackComputeEndpoint var in Add Backend popup
Add advanced setting slider for Openstack Backend
Fix styling of openstack advanced options toggle
Make settings lowercase on Advanced Openstack settings
Merge pull request #110 from mistio/openstack_custom

Openstack custom Compute Endpoint
Automated build of mist.js & mist.css
Merge branch 'staging'