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
gce metadata for create node
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
Fix typo
Require sprite inside sprite-build folder
Merge pull request #202 from mistio/gce_libcloud_update-X

gce metadata for create node
Automated build of mist.js & mist.css
Merge pull request #154 from mistio/hpcloud_helion

Hpcloud helion
fix ex_wait parameter for nephoscale create node
Merge branch 'staging' of https://github.com/mistio/mist.io into staging
Fix provider icon class
Remove "hi" log
add backend test for HP
add backend test for HP
Merge pull request #204 from mistio/hp-tests

Fix tests for hp helion
Fix image OS icons