Add option to use single actor system for local execution. Use local connection manager if a single task manager is used for local execution. Remove synchronized blcok in getReceiverList of ChannelManager which effectively serialized the connection lookup calls of a single task manager.

Fix Java6 problem that File has no method toPath

Add startup timeout config parameter. Increase akka ask timeouts for integration tests. Increase akka logger startup timeout.

Removed dead instance cleanup from InstanceManager so that Akka's watch mechanism is the current mean to detect dead instances.

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

Renamed NepheleMiniCluster to FlinkMiniCluster.

Replacing the EventCollector and the MemoryArchivist.

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

Made exceptions for license check plugin more fine-granular.

This closes #250

This closes #232

This closes #217

[FLINK-1203] Use forked execution in all tests, except in the end-to-end integration tests in flink-tests

This closes #174

- 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

We'll still ship the Logback configuration file and pass them their path to the JVM so that
users can use Flink with Logback as well.

This closes #125

Checking for Java support

Small changes and meaningful exception for unsupported compilers

pom.xml modified to use JDT compiler

Project structure refactored, examples added

Documentation added

Quickstart adapted

[FLINK-1114] Move scala-style checks to scala projects, change paths to style conifg, to allow isolated building of individual projects.