OCD fix in relative date comment
Refactor to use hypermedia links. Issue #2

fetchActivityPage has been replaced with fetchActivity which only needs
to be called once and takes advantage of the hypermedia links
Manually hoist vars, add comments, very slight re-org
fetchActivity now resolves correctly when there's no data
Fix "this" issues in poll
Create a "release" grunt task, uses grunt-bump
Fix, grunt-bump option commitFiles changed recently
Rolling back to previous version of grunt-bump
Set grunt release task to push to origin
Release v0.4.0