Merge pull request #139 from samdutton/master

Added link to ga.js
Update README.md

Removed Travis build check image (added inadvertently).
Fix demo paths for new dir structure
Merge pull request #140 from samdutton/master

Update README.md links to match new directory structure
Merge pull request #142 from GoogleChrome/fix-paths-x

Fix demo paths for new dir structure
Update README.md formatting to match index.html
call stop() method on localStream to release camera
Merge pull request #143 from GoogleChrome/stopLocalStream

bandwidth_test - Call stop() method on localStream to release camera. Fixes #138.
Added top level .jshintrc file for global rules; removed corresponding JSHint directive from adapter.js