* Updated the version of Scalatra to the latest (2.6.2)
- Updated Scalatra 2.6.2 (latest)
- Updated Scala 2.12.4
- Updated sbt 1.1.0
- Reduced dependent artifacts to a minimum
- Cleaned up build.sbt
- Changed the package name from client to server
- Set log output (logback)
- Updated web.xml for servlet 3.1
* rename package 'com.wordnik' -> 'io.swagger'
* Added rolling file appender to logback.xml
