Add autotuning back
Fix default values' types
Add tune and tuneMethod as implicit algorithm parameters
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
Merge branch 'develop' of github.com:PredictionIO/PredictionIO into develop