[SUPPORT-3390] Fix marking correct messages on the server as read
Merge pull request #605 from urbanairship/SUPPORT-3390

[SUPPORT-3390] Fix marking correct messages on the server as read
[MB-680] Update changelog and version to 5.0.2
[MB-680] update changelog for 5.0.2
Merge pull request #606 from urbanairship/MB-680

[MB-680] Update changelog and version to 5.0.2