Relax dependency on haml to circumvent un-necessary dependency constraints with Mercury

* causing load errors for Mocha and should-matchers
Add reload statements to flush stale objects

* causing erroneous failures
downcasing fullpath
vendoring spine at 1.0.6, js specs passing
upgrade to teaspoon
updating README
Rails 4 upgrade
Hacking Spine to namespace HTTP requests on Update

* Rails 3 would wrap params according to resource but that no longer works in rails 4
* Adding some super special jejacks0n string attributes
specifying HTTP method when instantiating mercury instance
fixes jquery version issues.
restructures how mercury config is structured/loaded.
Order versions expressly, but the oldest versions last
moving from coffee to js version of spine
Fix an issue where the modal wasn't being cleared resulting in double posts.
wip