Merge tag 'sbt-plugins-0.6.3'

sbt-plugins-0.6.3
Added the 0.6.3 jar as a unmanaged dependency in order to avoid a chicken and egg scenario.  Removed the plugins dependency.
Merge tag 'sbt-plugins-0.6.4'

sbt-plugins-0.6.4
'Replaced the publishTo repository with the scala-sbt.org repository.'
Merge tag 'sbt-plugins-0.6.5'

sbt-plugins-0.6.5
Update README.md
Update README.md
Merge branch 'develop' of github.com:trafficland/tl-os-sbt-plugins into develop
attempting to fix the subproject problem