Automatically fix atmos shim issues before starting sbt.

* Migrate atmos shim definitions back into 2.9.2 friendly code.
* Automatically fix atmos shims for sbt 0.13 projects
* Fix rewiring of code.
Fix shim names so we don't have conflicting names and forever reboots.
Merge remote-tracking branch 'origin/master' into wip-jsuereth-auto-fix-atmos-shims

Conflicts:
	probe/0.13/probe/src/main/scala/com/typesafe/sbtrc/controller/DefaultShim.scala
Another naming conflict.
Fix atmos installation support so akka + play setting don't stomp on each other and you can migrate between them.
Bump to atmos 0.3.0-RC3
Removing debugging leakage in previous commit.
Merge pull request #30 from sbt/wip-jsuereth-auto-fix-atmos-shims

Automatically fix atmos shim issues before starting sbt.