Prevent memory leaks

Prevent memory leaks when the livestamp container (or its parent) is
removed from the DOM.
Merge pull request #6 from DinaCel/master

Prevent memory leaks (issue #4)
Update livestamp.min.js
Update livestamp.js
Merge pull request #8 from korzhyk/dev

Added Zepto support.
make calling .livestamp idempotent
Merge remote-tracking branch 'xively/idempotent'

https://github.com/mattbradley/livestampjs/pull/11.