Support activity/friends.
Push version to 3.2.0.
Better friends activity test.
Build release version.
Update retrofit to 1.5.0.
Change log for 3.2.0.
Push version to 3.2.0 in readme as well.
Fix tests.
Fix javadoc error: self-closing tags.
Fix invalid use of half-diamonds.
Merge branch 'release-3.2.0' into dev