Add rotation example
Add new tracking and tracking_options property
Clean up fixme target

Correct regular expression
Use single quotes consistently
Use format strings
Correct grammar
Merge pull request #334 from twpayne/rotation-example

Rotation example
Merge pull request #343 from twpayne/clean-up-fixme-target

Clean up fixme target
Merge pull request #306 from fredj/geolocation

Activate / deactivate geolocation
Add jquery 1.7.2 and adapt examples externs

Add jquery and update the externs for the examples (code from @bartvde).
The lib is saved into the repository to be able to run the examples
and the check-examples target offline.
Add (incomplete) bootstrap.js externs
Add geolocation example