Merge pull request #13 from jyek/master

Fixed bug on sending message to active tab
Merge pull request #14 from jyek/master

Fix bugs on recorder
refactored playRecording to always check if url has changed
Merge branch 'master' of https://github.com/klickr/klickr-chrome
Merge pull request #15 from lramsey/master

always check url change
Fixed recorder bug