This closes #422

[FLINK-1584] [runtime][tests] Fixes TaskManagerFailsITCase by replacing the TestingCluster with a ForkableFlinkMiniCluster

This closes #419

Height of information bullets was not equal due to text break.

This closes #425

[FLINK-1585] [tests] Fix mini clusters to respect memory and buffer configurations and improve relative memory computation.

[streaming] Add MultiEvictionPolicy: It wraps around multiple eviction policies and allows to use them at the same time. It supports both, active and not active policies at the same time. Additionally it introduces different eviction strategies the user can choose from.

[streaming] Add MultiTriggerPolicy: It wraps around multiple triggers and allows to use them at the same time. It supports both, active and not active policies at the same time.

[streaming] WindowBuffer separated from Discretizer for operator sharing + equality checks added for windowing objects

This closes #407.

This closes #417

This closes #416

This closes #393

Also fix tests for JodaTime.

Conflicts:
	flink-dist/src/main/flink-bin/LICENSE
	flink-java/pom.xml
	flink-java/src/main/java/org/apache/flink/api/java/typeutils/runtime/KryoSerializer.java
	flink-tests/src/test/scala/org/apache/flink/api/scala/runtime/KryoGenericTypeSerializerTest.scala
	flink-tests/src/test/scala/org/apache/flink/api/scala/runtime/TupleSerializerTest.scala

Conflicts:
	flink-java/pom.xml
	flink-java/src/main/java/org/apache/flink/api/java/typeutils/runtime/KryoSerializer.java

Conflicts:
	flink-java/src/main/java/org/apache/flink/api/java/typeutils/TypeExtractor.java
	flink-java/src/main/java/org/apache/flink/api/java/typeutils/runtime/KryoSerializer.java

This closes #412

Move RuntimeContext initialization to begin of RegularPactTask.invoke().

Fixes unhandled FailsIntermediateResultPartitions message. Changes JobResultFailed and JobResultCanceled to send the cause as a throwable instead of a string.

Fixes NullPointerException if an execution has already been prepared for archiving and sendPartitionInfos is called asynchronously

This closes #406.

[FLINK-1554] [runtime] Allows the LocalFlinkMiniCluster to start multiple TaskManager in the same ActorSystem.

This closes #403.

This closes #397.

[FLINK-1542] Test case at BlobUtilsTest should not assume user could not create new item in root directory

Sometimes, user that run tests could have write access to root dir such as creating /cannot-create-this
is possible, hence to exception thrown.

Need to construct a Flink test directory under directory specified under "java.io.tmpdir" and change the permission to not allow create new
directory.

This closes #396

[FLINK-1454] [job client] Improve error handling for failed connections between JobClient and JobManager

This closes #395