wip...
add referrer to remote_url
Add method that refresh session id and browser id
Sends url, path and referrer to analytics tracking calls
Adds sessionIf and browserId to the data
Updates Changelog
Release 0.8.9
Makes sure the component works when no votes have been made on the object
updates Changelog
Enhances documentation - Adds cache invalidation tasks to Gruntfile
Fix votes/button
minor cleanup
Merge branch 'develop' into feature/hull-ception

Conflicts:
	src/hull-remote.coffee