feat(rxPermission): add ability to match against multiple roles
chore(travis): fake commit to get travis to run
chore(rxPermission): Updated based on PR comments:

Replacing spaces surrounding commas with regex rather than map/trim on each word.
Combine role and roles into one ```role``` so that it's just one simpler attribute
chore(rxPermission): Add Comments explaining logic
fix(rxPermission): using .map/.trim explicitly replacing the regex
Merge pull request #382 from rackerlabs/rx-permission-multiple-roles

feat(rxPermission): add ability to match against multiple roles