Build docs during pr-scala-test.

TODO: split into parallel jobs

Will still need to build pack first,
then pass it to test.pos_neg | test.run | docs
temporarily disables scala/scala tests for push a new build of paradise 2.11
Merge pull request #45 from xeno-by/master

temporarily disables scala/scala tests for push a new build of paradise 2.11
Revert "temporarily disables scala/scala tests for push a new build of paradise 2.11"

This reverts commit 47d7d5f77981b1f31f22b532ec6ac060b100a98a.
Merge pull request #46 from xeno-by/master

Revert "temporarily disables scala/scala tests for push a new build of paradise 2.11"
fixes paradise breakage for 2.11.0-SNAPSHOT
Merge pull request #47 from xeno-by/master

fixes paradise breakage for 2.11.0-SNAPSHOT