Updated plugin and dependency versions.

Change-Id: Ic1d6d5b703eb1d4479f7ef1323cdce1b1e62658c
Fixed developer entry
Migrating to a factory model that will better support dependency
injection.

Change-Id: I7747e013c23a6ce6e5cbc905c32337d2db7e4520
Prepping to add Guice
PreferencesFactory Guice-ified. 

Change-Id: I6f68dd6f4fcb55bde9568923491de275c11c9a7f
Reorganized the preferences package structure

Change-Id: I72429cbdb37c5a2e7f88c7c95cbaec3f0421c82f
Updated startup code to use logging (for new portions only)

Change-Id: Ic66f8351c399a3506642f5b7551ad7ec007fbcfc