PDIO-339 Pass built-in engines to Spark to support custom engines that extend built-in engines
PDIO-341 Prevent engine assembly from packing in MLlib
fixed typo in example/build.sbt for nak
Added missing sbt file for java-local-regression example
PDIO-318 Add PEvents to read events data from hbase to RDD
PDIO-327 Add explanation when another process is using the same port
PIO-345 Move recommendations example from src/main/java to java-local-tutorial/. Merge documentations.
Moved tutorial5 to under Learning by Examples