set 2 HP Helion endpoints
add hpcloud as separate driver
fix wizard for backend creation for hp cloud
hp cloud logo for single machine
Fix openstack form
Merge branch 'staging' into hpcloud_helion

Conflicts:
	src/mist/io/methods.py
	src/mist/io/static/js/app/controllers/backend_add.js
	src/mist/io/static/js/app/controllers/backends.js
Merge pull request #154 from mistio/hpcloud_helion

Hpcloud helion