Merge branch 'hotfix-0.6.4'
PDIO-249 PDIO-250 Complete dynamic metric and splitter support
Merge branch 'develop' of github.com:PredictionIO/PredictionIO into develop
PDIO-230 Remove unused functions
PDIO-230 Update create auto tune
Add individual server startup support
Update status
Display algo info name and sim eval status
Fix algo name display in autotune report
Async delete old autotune and add UI notify for updating algo settings
PDIO-252 Change dafault number of rec to 50
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'