[Gradle Release Plugin] - pre tag commit:  '1.12.3'.
[Gradle Release Plugin] - new version commit:  '1.12.4-SNAPSHOT'.
Remove bintray related code to its own plugin
Merge branch 'gradle-1.12' into extract_bintray
Tweaks to handle attributes for gradle-plugin, gradle-bintray doesn't seem to set them
Move to stable version of nebula-bintray-plugin, update docs
Merge pull request #11 from rspieldenner/extract_bintray

Extract bintray