Create all regular sbt classpaths in atmos scopes
Split into akka and play sbt-atmos plugins
Add play plugin dependency based on sbt version
Synchronize start/stop methods of forked processes
Separate out control of atmos and console processes
Separate settings into groups for reusing in play plugin
Add atmos play run with weaving classloader
Use published snapshot of play 2.2 sbt-plugin
Add trace-only option for running with an already started atmos
Update to atmos 1.2.1