compiling the scala source files contained within the mleap R package failed.

[lgongmsft]

I sync to the latest master and was trying to compile the scala source files contained within the mleap R package with the configure.R script but got the following error:

lgong@ubuntu:~/mleapr$ Rscript configure.R
Warning message:
In normalizePath("internal/mleap-spark") :
  path[1]="internal/mleap-spark": No such file or directory
==> using scalac 2.11.8
==> building against Spark 2.0.0
==> building 'mleap-2.0-2.11.jar' ...
==> '/home/lgong/scala/scala-2.11.8/bin/scalac' -optimise -deprecation '/home/lgong/mleapr/java/spark-2.0.0/main.scala'
/home/lgong/mleapr/java/spark-2.0.0/main.scala:3: error: object mleap is not a member of package org.apache.spark.ml
import org.apache.spark.ml.mleap.SparkUtil
                           ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:4: error: not found: object ml
import ml.combust.mleap.spark.SparkSupport._
       ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:5: error: not found: object resource
import resource._
       ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:6: error: not found: object ml
import ml.combust.bundle.BundleFile
       ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:7: error: object bundle is not a member of package org.apache.spark.ml
import org.apache.spark.ml.bundle.SparkBundleContext
                           ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:16: error: not found: value SparkUtil
    val pipeline = SparkUtil.createPipelineModel(transformers.toArray)
                   ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:17: error: not found: value SparkBundleContext
    implicit val sbc = SparkBundleContext().withDataset(dataset)
                       ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:18: error: not found: value managed
    for(bf <- managed(BundleFile("jar:" + path))) {
              ^
/home/lgong/mleapr/java/spark-2.0.0/main.scala:18: error: not found: value BundleFile
    for(bf <- managed(BundleFile("jar:" + path))) {
                      ^
9 errors found
Error in spark_compile(jar_name = jar_name, spark_home = spark_home, filter = filter,  :
  ==> failed to compile Scala source files
Calls: <Anonymous> -> spark_compile
Execution halted