Upgraded the scripts to be able to publish to a Maven repository (such as Bintray).
Added another test for RefCachedDataLink.
Fixed a bug in RefCachedDataLink where data coming from a canceled session was stored.
Fixed a minor issue in the build script.
Adjusted the build scripts of releasing.
Added a workaround (install task) to avoid issues with publishToMavenLocal.
Fixed javadoc issues.