Tweaks and support for 2.12
Add config to publish sbt master on Scala 2.12
Correctly configure publishing
Updates the version for the 2.11.x Scala branch
Merge pull request #50 from skyluc/issue/update-validator-config

Updates the version for the 2.11.x Scala branch
Add Eclipse Kepler profile to uber-build, and new nightly-build file for 
kepler/2.11.
Merge pull request #51 from dragos/add-kepler-profile

Add Eclipse Kepler profile to uber-build.
Add default SCALA210_VERSION.
Merge pull request #52 from dragos/add-kepler-profile

Add default SCALA210_VERSION.
Use “juno”, since the worksheet doesn’t have a kepler profile yet.
Updates zinc script descriptions
Merge pull request #49 from skyluc/zinc/scala-2.12

Adds support to build and publish zinc on scala 2.12
Merge in the changes made for previous releases

Releases 3.0.4, 4.0.0-m2 and 4.0.0-m2-luna were made off branches
from a big wip branch. Apply the content of the tags to master.
Merge pull request #53 from skyluc/issue/sync-previous-releases

Merge in the changes made for previous releases
Update for config for 4.0.0-m3
Move to Kepler for 2.11 nightlies
Bump Scala version for 2.11.2 release
Finish bumping 2.11.1 -> 2.11.2, including nightlies
Merge pull request #54 from huitseeker/master

Finish bumping 2.11.1 -> 2.11.2, including nightlies
add play2 to the nightly again

Bumps the scala snapshot version for PR validator.