…ows rvm to work behind corporate firewalls with http only access to the internet
…unction with other format paramters. For instance "rvm ree ; rvm-prompt u v" will now return "✈-1.8.7". Previously, the unicode parameter would short circuit all other formatting. rvm-prompt test cases updated for new usage.
This brings rvm-prompt functionality in line with the documentation on the website but adds the option of the "s" switch for those that want "system" in their prompt.