wip tree conversion
as discussed with Vlad, making V.this unboxed is a mistake
Merge branch 'master' of github.com:miniboxing/valium

Conflicts:
	components/plugin/src/valium/plugin/metadata/ValiumInfo.scala
	components/plugin/src/valium/plugin/transform/convert/ValiumConvertTreeTransformer.scala
Merge pull request #1 from xeno-by/master

wip tree conversion