Minor naming fix
Fixed an error when min and max integer values are equal
Move to sbt-native-packager to avoid repeated libraries
Reduce assembly redundancy
Fix a build error that occurred right after installing 3rd party software
Bump to version 0.6.5
Bump version in main build file and remove obsolete tool
Bump version for Play servers
Merge branch 'release-0.6.5' into develop
Bump version
Merge branch 'develop' of github.com:PredictionIO/PredictionIO into develop