Updates and additions for dbuild 0.9.0, including a range of sbt plugins
Bump dbuild version to 0.9.1
Use the correct dbuild loader, according to the version number
Move commands -> settings, due to the new ordering of operations
Merge pull request #41 from cunei/wip-0.9.1

Merging 0.9.1 updates, pending possible further reviews of the modified community build files