[maven-release-plugin] prepare for next development iteration
correcting the release notes and removing retoruntime from the javadocs
TEIID-2549 tweaking costing and adding better assumptions to prevent
cross joins
TEIID-2551 modifying the delegation of the create execution methods
TEIID-2553 fix for invalid insert defaults
TEIID-2552 upgrading the javacc plugin
TEIID-2502 adding struct retrieval handling
TEIID-2556 correcting translator conversion of array dependent join
pushdown
TEIID-2560 fix for bad dependent join handling
TEIID-2557: Adding the support for composite foreign keys on the table. The single key access is not modified
Merge pull request #88 from rareddy/TEIID-2557

TEIID-2557: Adding the support for composite foreign keys on the table. ...
TEIID-2390 improving json evaluation with nested json expressions
TEIID-2552 removing our reference to 2.6
TEIID-2441 adding better error handling and well-formed arguments to the
char/byte conversions
TEIID-2539 adding the allow-join property to disable joining with a key
restriction. and removing needless arg checks.
TEIID-2539 moving the constant and adding another test
TEIID-2512 vdb.xml and other changes to provide alternatives to the
metadata element text
TEIID-2563 addressing issue with assignDataSource
TEIID-2565 adding length to the object type
TEIID-2564 fix for invalid aggregate planning with a correlated subquery