Add documentation on barcode scanner to reference docs

Change-Id: Iff34a60853724dc43b71298fa6b628278dc404ca
Update Splash Screen in Companion

Change-Id: I7bdf1ec8069e6378c55b1b2a37b903f36b108f48
Fix a NPF in the NearField Component.

Fix a NPF reported via Acra and the Play Store.

Change-Id: Icbac7eb9e71880b1624857c45ee1ad514a39ed4c