Add project operator to Java API
Added tests for project operator
Extended Projection.types() functions up to 22 type parameters.
Moved parameter checks from DataSet to Projection. Handing object instance instead of serializer to MapProjector.
CsvOutputFormat checks that only tuple types are used.
Add comments to CsvOutputFormat.
Added JavaDocs for transformation methods in DataSet. Commented out not supported transformation methods.
First version of Spargel for the new Java API.
Equality/hashing for some type infos.
Comments on iteration runtime context.
Renamed spargel iteration classes (more intuitive names) and added all java docs.
Made edge iterators iterable.
Added page rank example to spargel
First part of integrating delta iterations with new java api's optimizer post pass.
Delta Iterations for new Java API; SimpleDeltaPageRank + testcase
Fixed bug in splitting logic of number sequence iterator.
Fixed import lost during merge.
Fixed erroneous propagation of messages for Spargel.
SpargelConnectedComponentsITCase properly verifies results.
Changed members of Costs to double, cumulative cost is now the node cost plus the costs of the children divided by their out degree
Refactor and Add Comments to Broadcast Variable Example
fix sonatype deploy
Add LocalCollectionOutputFormat for local executor