add a trait which can be mixed in to projects which contains all the plumbing
Port to SBT 0.10.0.
Remove hardcoded sbt.version.
Introduce README.md.
Merge branch 'sbt-0.10'

* sbt-0.10:
  Introduce README.md.
  Remove hardcoded sbt.version.
  Port to SBT 0.10.0.
Merge https://github.com/ijuma/junit_xml_listener

Conflicts:
	project/build.properties
updated build config for release to maven central & cross build
fixed pom extra data
updated README, added config for various sbt & scala versions to
build.sbt
Updated README with instructions on how to add plugin and version history