Refactored skinny script
version 0.9.19

Special thanks to @tototoshi & @kamekoopa!

 - Disabled sbt-scalariform by default for Scala beginners
 - #36 DB migration for non-default db settings by @tototoshi
 - #37 Improved error when specifying unregistered connection pool by @tototoshi
 - #38 flash.get("notice") and flash.notice are inconsistent by @tototoshi
 - #40 Fixed sbt-scalariform failure on sbt 0.13.x by @kamekoopa
 - #41 & #42 Fixed skinny script doesn't work on Debian/Ubuntu by @kamekoopa