Add scala.scalajs.runtime.Long (javascript compatible 64-bit Long)
Add scalajs library to compiler dependencies
Patch scala.scalajs.runtime.Long as runtime replacement for JavaScript numbers
Re-Implement java.lang.Long in terms of the new runtime representation
Merge pull request #72 from gzm0/runtime-long

Runtime Long implementation
Merge branch 'master' into scala-2.11
Reclassify partests that now succeed

Also fixed #54 in the process
Add Buglist and Blacklist test flag to partest

This flag will allow to re-test tests that failed before.