Following Fixes are added
1. Fixed Null pointer exception while reading data from InvetoryReader
2. Compilation for read from data store is removed. Optional<> needs to be declared for the specific type you are reading from store, instead of just DataObject.
3. Dlux UI is added to the distribution.

Change-Id: Ia18c3f32d353cdcdb44bd00d76a5f0618af4cc6c
Signed-off-by: Amit Mandke <ammandke@cisco.com>