Moved WebInfoServer and WebInterfaceServer resources into resource folders of respective projects. Jetty uses the jar as base directory.

Replacing the EventCollector and the MemoryArchivist.

Finished EventCollector and adjusted ExecutionGraph and ExecutionVertex to register actors as listeners.

Add optional test for external sorting of case classes.
Fix various warnings.

This closes #232

- Clean dependencies in flink-streaming connectors

  - add "flink-shading" for shaded libraries (currently guava only)
  - relocate guava in all projects and exclude it from the lib and exported dependencies
  - Exlude unnecessary transitive dependencies from hadoop 1

Users using CDH4 can now build Flink against Hadoop 2.0.0-alpha.

- update _config.yaml of integrated documentation
- quick check on the quickstarts / build instructions to match the latest release
- quickstart.sh scrips now point to the correct versions.

This closes #72

source should now build without the presence of a .git directory
included the quickstart-archetypes into the main project.

disable the MatchJoinCancelingITCase test to speed up travis builds

[yarn] fixed yarn binary; implemented a simple but effective shutdown mechanism for the yarn-session

WorksetIteration changed to DeltaIteration.

Minor cleanups.