Expanding notification documentation with more text and examples.  Pending popup changes.
Merge branch 'master' of https://github.com/rhomobile/rhodes
Merge branch 'master' of https://github.com/rhomobile/rhodes
Merge branch 'master' of https://github.com/rhomobile/rhodes
Merge branch 'master' of https://github.com/rhomobile/rhodes
Initial commit of LedImpl.cpp
Merge branch 'master' of https://github.com/rhomobile/rhodes
Initial checkin of Notification.LED skeleton