[CANNOLI-94][CANNOLI-95] Drop support for Scala 2.10 and Spark 1.x.

[heuermh]

Fixes #94.
Fixes #95.

Work in progress, currently hangs unit tests at

- interleave two paired FASTQ files
Exception in thread "dag-scheduler-event-loop" java.lang.NoSuchMethodError: org.apache.hadoop.mapreduce.InputSplit.getLocationInfo()[Lorg/apache/hadoop/mapred/SplitLocationInfo;
	at org.apache.spark.rdd.NewHadoopRDD.getPreferredLocations(NewHadoopRDD.scala:282)
	at org.apache.spark.rdd.RDD$$anonfun$preferredLocations$2.apply(RDD.scala:274)
	at org.apache.spark.rdd.RDD$$anonfun$preferredLocations$2.apply(RDD.scala:274)
	at scala.Option.getOrElse(Option.scala:121)
	at org.apache.spark.rdd.RDD.preferredLocations(RDD.scala:273)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal(DAGScheduler.scala:1633)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2$$anonfun$apply$1.apply$mcVI$sp(DAGScheduler.scala:1644)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2$$anonfun$apply$1.apply(DAGScheduler.scala:1643)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2$$anonfun$apply$1.apply(DAGScheduler.scala:1643)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2.apply(DAGScheduler.scala:1643)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2.apply(DAGScheduler.scala:1641)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal(DAGScheduler.scala:1641)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2$$anonfun$apply$1.apply$mcVI$sp(DAGScheduler.scala:1644)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2$$anonfun$apply$1.apply(DAGScheduler.scala:1643)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2$$anonfun$apply$1.apply(DAGScheduler.scala:1643)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2.apply(DAGScheduler.scala:1643)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal$2.apply(DAGScheduler.scala:1641)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal(DAGScheduler.scala:1641)
	at org.apache.spark.scheduler.DAGScheduler.getPreferredLocs(DAGScheduler.scala:1607)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$16.apply(DAGScheduler.scala:973)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$16.apply(DAGScheduler.scala:971)
	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
	at scala.collection.Iterator$class.foreach(Iterator.scala:893)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
	at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
	at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
	at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
	at scala.collection.AbstractTraversable.map(Traversable.scala:104)
	at org.apache.spark.scheduler.DAGScheduler.submitMissingTasks(DAGScheduler.scala:971)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitStage(DAGScheduler.scala:930)
	at org.apache.spark.scheduler.DAGScheduler.handleJobSubmitted(DAGScheduler.scala:874)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1695)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1687)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1676)
	at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)

Build targets in Jenkins will need to be updated.

[heuermh]

Closing, will separate this into two PRs.

[AmplabJenkins]

Test FAILed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins//job/cannoli-prb/95/

Build result: ABORTED

[...truncated 15 lines...] > /home/jenkins/git2/bin/git fetch --tags --progress https://github.com/bigdatagenomics/cannoli.git +refs/pull/:refs/remotes/origin/pr/ # timeout=15 > /home/jenkins/git2/bin/git rev-parse origin/pr/100/merge^{commit} # timeout=10 > /home/jenkins/git2/bin/git branch -a -v --no-abbrev --contains 549e010 # timeout=10Checking out Revision 549e010 (origin/pr/100/merge) > /home/jenkins/git2/bin/git config core.sparsecheckout # timeout=10 > /home/jenkins/git2/bin/git checkout -f 549e010d5c0b50c76381433021fb324e9013df70First time build. Skipping changelog.Triggering cannoli-prb ? 2.6.0,2.10,2.0.0,centosTriggering cannoli-prb ? 2.3.0,2.11,1.6.1,centosTriggering cannoli-prb ? 2.3.0,2.10,1.6.1,centosTriggering cannoli-prb ? 2.6.0,2.11,1.6.1,centosTriggering cannoli-prb ? 2.3.0,2.10,2.0.0,centosTriggering cannoli-prb ? 2.6.0,2.10,1.6.1,centosTriggering cannoli-prb ? 2.6.0,2.11,2.0.0,centosTriggering cannoli-prb ? 2.3.0,2.11,2.0.0,centoscannoli-prb ? 2.6.0,2.10,2.0.0,centos completed with result ABORTEDcannoli-prb ? 2.3.0,2.11,1.6.1,centos completed with result ABORTEDcannoli-prb ? 2.3.0,2.10,1.6.1,centos completed with result ABORTEDcannoli-prb ? 2.6.0,2.11,1.6.1,centos completed with result ABORTEDcannoli-prb ? 2.3.0,2.10,2.0.0,centos completed with result ABORTEDcannoli-prb ? 2.6.0,2.10,1.6.1,centos completed with result ABORTEDcannoli-prb ? 2.6.0,2.11,2.0.0,centos completed with result ABORTEDcannoli-prb ? 2.3.0,2.11,2.0.0,centos completed with result ABORTEDNotifying endpoint 'HTTP:https://webhooks.gitter.im/e/ac8bb6e9f53357bc8aa8'
Test FAILed.