Update the example project referred to in Getting Started with Qt
Quick tutorial.
- Fix coding/comment style issues
- Change plugin TARGET name, Use /imports as the
destination directory
- Fix qmldir with proper module info, delete unused
qmldir from /core
- Add a .qmlproject file
Change-Id: If269e61fb76399faae753469dc251d07cc219139
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>