fixed build file to work offline.
Started to make the check API Java Compatible.

made varargs compatible with java.
stuck on a bug of the presentation compiler, which ignores the @varargs annotation https://scala-ide-portfolio.assembla.com/spaces/scala-ide/tickets/1001108-pc-does-not-generate-java-forwarders-for-@varargs-annotation#/activity/ticket:
fixed the version mentioned in the command line parser. This should have happened before the release.
removed duplicated import statement
Merge branch 'master' of github.com:schauder/degraph
Merge branch 'patch-1' of git://github.com/ruderphilipp/degraph into ruderphilipp-patch-1