Merge branch 'master' into develop
Add referrals for "playenv" and "scalaenv" to README.
Add rule of sbt 0.13.2 to sbt-install plugin.
Fix typo.
Merge branch 'develop' into release/0.0.6
Bump version to 0.0.6.
Merge pull request #8 from mazgi/release/0.0.6

Release/0.0.6