Polling for jobmanager webinterface
Avro complex types (array, map, enum) implemented
Undo eclipse formatting in avro if
disable javadocs gen when java6 is being used.
Add shutdown method to LocalDistributedExecutor and remove failing CustomDataTypeTest
=> the removed test functionality will be included in an upcoming test by @aljoscha
Fix bug in scala cogroup.flatMap

Did fail with null pointer exception when one of the inputs is empty.
Set LocalExecutor logging to INFO; print runtime. reduce logging verbosity of IPC server
implemented jdbcoutputformat
moved jdbc into new project, adjusted for 0.5

Conflicts:
	stratosphere-addons/jdbc/pom.xml
	stratosphere-addons/jdbc/src/main/java/eu/stratosphere/api/io/jdbc/JDBCInputFormat.java
	stratosphere-addons/jdbc/src/test/java/eu/stratosphere/api/io/jdbc/JDBCInputFormatTest.java
Conflicts handled by @rmetzger
renamed jdbc package properly to the new 0.4 naming conventions
added batch interval to jdbc; fixed issue with jdbc test cases
Polling for jobmanager webinterface
Paths in windows scripts enclosed in double quotes
Merge branch 'webinterface_autoupdate_newrelease-pr' of https://github.com/markus-h/stratosphere into webfix
Fix bug that incorrectly marked iterative tasks.
Added standalone plan visualizer tool.
Add LineRank as test case.
Add Scala Page Rank examples
Fixed ExecutionGraphTest. Test output files are removed. Reduced log level to WARN.
Add constructors with degree of parallelism argument to Plan (issue #426)
Improve error message when no match is found in solution set join (issue #429)