Added SBT getting started
first alpha cut at sbt docs
Added release notes for 640
Added notes for 663
Added notes for 604
Added notes for 85
Updated sbt property names and sample outputs
Added another article
add sbt example for info
Merge branch 'flyway-2.3' of github.com:flyway/flywaydb.org into flyway-2.3
add flyway task examples
Merge pull request #14 from cdedie/flyway-2.3

add sbt task examples
Ready to merge
Added links to gradle and sbt plugins
Updated version in release notes
Merge pull request #13 from flyway/flyway-2.3

Flyway 2.3 changes