Add settings allowing the message center to default to being disabled until it receives configuration from the server.
Check in first stab at README updates for interactions work.
Update header weights. Update OkHttp note to mention the fixed version.
Compile against 3.1.
Update what version of IntelliJ the instructions have been tested with.
Tweak text of Interactins section.
Format interactions text.
Add screenshot of ratings prompt interaction config.
Use raw link for image.
Use actual URL for image.
Move some stuff around. Finishing touches on header emphasis.
Use Customer instead of User.
Fix typos and clean things up.
Remove unneeded events. Use new event labels for app launch and exit.
Add ApiChanges. Add entries for changelog. Add migrating to 1.4.0 guide.
Merge changes from master.