Fix combiner for group reduce.
implemented infrastructure for string style annotations
added semanticpropertyutilities
implemented parsing of the strings in SemanticPropUtil
implemented semanticPropUtils class, added compatibility to operators
Added Support for Wildcards. The following is now possible "*" for all fields constant and "1->*" when the first field is forwarded to all output fields.
Filter UDFs always considers all fields as constants
Fix group reduce compilation test
Merged and adjusted semantic annotations
Removed combine methods from CoGroup function and some minor improvements.
Improved Java examples
Completed, updated, and improved JavaDocs of Java API
Added UnsortedGrouping to separate Grouping methods from SortedGrouping methods
various fixes
Substract only 15% from TM heap for yarn, capped at 500MB
Fix NullPointer exceptions in SemanticPropsUtil
Improved error messages and exceptions on non-serializable objects.
Add workset iteration translation tests.
Add check that solution set is joined with on correct keys.
Improved comments in Java example jobs
Fix binary distribution: add LICENSE and NOTICE
source should now build without the presence of a .git directory
included the quickstart-archetypes into the main project.