Extract method - for new implementation. Not completed yet.
Merge https://github.com/sbt/sbt into 0.13
Corrections for "session save"
Handle xml content in session save
Merge https://github.com/sbt/sbt into 0.13
Merge https://github.com/sbt/sbt into 0.13
Merge pull request #1604 from WarsawScala/wip/no-blankies

Natural whitespace handling for SBT configuration parser AKA 'no more blankies'
Merge remote-tracking branch 'origin/0.13' into wip/no-blankies-merge-0.13