Merge pull request intercom#296 from intercom/jn/bump-version

Version bump to 2.8.2

Version bump to 2.8.1 (intercom#267)

Version bump to 2.8.0 (intercom#249)

bumping version to 2.7.0 (intercom#237)

Version bump (intercom#229)

Merge pull request intercom#225 from intercom/jonny/bump_version

Bumping to 2.5.2

Updating gradle build version (intercom#224)

Release of 2.5.0

Release of 2.4.0

Revert "Trying to resolve bintray issue (intercom#189)" (intercom#190)

This reverts commit 381c627.