Merge pull request #14 from rspieldenner/gradle-1.12

Gradle 1.12
[Gradle Release Plugin] - pre tag commit:  '1.12.4'.
[Gradle Release Plugin] - new version commit:  '1.12.5-SNAPSHOT'.
Merge pull request #15 from rspieldenner/gradle-1.12

Fix missing import
Get signing fix.
Merge pull request #16 from nebula-plugins/get-signing-fix

Get signing fix.
[Gradle Release Plugin] - pre tag commit:  '1.12.5'.
[Gradle Release Plugin] - new version commit:  '1.12.6-SNAPSHOT'.
Additional http imports and include the preparePublish task
[Gradle Release Plugin] - pre tag commit:  '1.12.6'.
[Gradle Release Plugin] - new version commit:  '1.12.7-SNAPSHOT'.
Fix ordering of preparePublish
[Gradle Release Plugin] - pre tag commit:  '1.12.7'.
[Gradle Release Plugin] - new version commit:  '1.12.8-SNAPSHOT'.
Include publishing fix
[Gradle Release Plugin] - pre tag commit:  '1.12.8'.
[Gradle Release Plugin] - new version commit:  '1.12.9-SNAPSHOT'.
Get signing ordering fix
[Gradle Release Plugin] - pre tag commit:  '1.12.9'.
[Gradle Release Plugin] - new version commit:  '1.12.10-SNAPSHOT'.