Fix Maven build errors after previous commits
refactor Kryo serializer support to use chill/chill-java
add copyright back in
add test
update pom.xml
fix wrapping
Merge pull request #732 from ryanlecompte/master

Refactor Kryo serializer support to use chill/chill-java
Update Chill reference in pom.xml too
Fix Chill version in Maven
For standalone mode, get JAVA_HOME, SPARK_JAVA_OPTS, SPARK_LIBRARY_PATH from application env, not worker env