Visual improvement on Launch Instance workflow.

Consistency in styles of all the fields in workflow.

Change-Id: I894ab748ab33f7f9c61867af22e33029ef4daf57
Closes-Bug: #1253635
Access & security, floating IPs tab cleanup

Change-Id: I38e70fe97519324cd5a98a1d65c0d831dbad1d2e
Merge "Access & security, floating IPs tab cleanup"
Merge "Visual improvement on Launch Instance workflow."