Added support for scalac and jvm_flags in scala_[library|binary]. Fixes #457.
Added support for scalac and jvm_flags in scala_[library|binary]. Fixes #457.

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Reviewed-on: https://github.com/bazelbuild/bazel/pull/459
MOS_MIGRATED_REVID=103229152

sdtwigg/rules_scala,bazelbuild/rules_scala,smparkes/rules_scala,bazelbuild/rules_scala,ianoc/rules_scala,smparkes/rules_scala,ianoc/rules_scala,bazelbuild/rules_scala,sdtwigg/rules_scala,smparkes/rules_scala,sdtwigg/rules_scala,ianoc/rules_scala