Dropped 3 boxes on the Contribute guide.
Dropped 3 boxes on the Contribute guide.

* SIP
* Unassigned tickets
* Partest

The two first are not supposed to be entry points, and
they still have a link further down in the text.

Partest is mentioned in the Hacker's guide. And there
is no point in using partest without first going through
the hacker's guide.

jeantil/scala-lang,andy1138/scala-lang,jeantil/scala-lang,andy1138/scala-lang,vl4ds/scala-lang,boldradius/scala-lang,vl4ds/scala-lang,boldradius/scala-lang,andy1138/scala-lang,boldradius/scala-lang,boldradius/scala-lang,vl4ds/scala-lang,jeantil/scala-lang,jeantil/scala-lang,vl4ds/scala-lang,andy1138/scala-lang