Switch maven build to Kepler repo.
Upgrade Tycho and Scala (default) version.

Fixed duplicated entry for the build number plugin.
Removed obsolete release profiles.
Merge pull request #89 from dragos/master

Update pom files
Use vanilla Scala OSGi bundles.

Add Scala version suffix to BundleVersion.
Merge pull request #92 from dragos/improve/scala-osgi

Use vanilla Scala OSGi bundles.
Merge remote-tracking branch 'origin/master'