1.6.6.RC1: Fix JRUBY-6383

@headius headius tagged this Jan 26, 2012 · 30161 commits to master since this tag

Scala integration breaks with 1.6.6

This has actually been "broken" since 1.6.0, since we were not
defining the symbolic names for any of the $ Scala methods. This
fix adds the symbolic names and leaves the originals intact.