build r-intepreter

[Patcharee Thongtra]

Hi,

I have been struggling with R interpreter / SparkR interpreter. Is below 
the right command to build zeppelin with R interpreter / SparkR interpreter?

mvn clean package -Pspark-1.6 -Phadoop-2.6 -Pyarn -Ppyspark -Psparkr

BR,
Patcharee