initial ckin after create.
Added LoaderCallbacks over-ride methode.
Added RandomStringLoader which creates random strings and implements
the loader protocall.
This completes  Android 4.0 Tutorials || 72. Custom Loaders - Part 1.
Completes Android 4.0 Tutorials || 73. Custom Loaders - Part 2. Observing data
Merge branch 'master' of https://github.com/bebop-001/CustomLoaders

Update from newly created repository.