Introducing BlobStore implementation,
Providing Settings.java backed ServerUtils

Change-Id: I0062e6213919162d98e2526ed668738e2cafdb95
Reintroducing DDR log/return.

Change-Id: Ifde223791ebdf86efcda19ee36efee4013b65963
Pre-test compiling version! :)

Change-Id: I88fd1836fb2a52f519489cc6c022ea7f8ab64bb8