MOB-189 upgrade guide from v2.0.1-v2.0.12 to v4.2.0
MOB-189 upgrade guide from v3.0.0-3.1.0 to v4.2.0
Merge pull request #11 from janrain/jlewis/MOB-189-upgrade-guide

Jlewis/mob 189 upgrade guide
Release notes for v4.3.3
v4.3.3