Create an aggregated Javadoc in the target/ dir of the parent module
Separate end-user and "internal" changes in the upgrade guide.
Rename UDTMapper.map and expose opposite conversion.
Fix typo in exception message.
Add assembly for binary tarball.
Configure release tag format.
Fix annotation parser ordering

Modifies annotation parser comparator to order fields to normal (growing) order, accordingly to passed parameter at keys annotations (@ClusteringColumn(0), @ClusteringColumn(1), ...).
implemented null tests for Tuples and UDTs
Merge pull request #211 from kishkaru/tuples_udts_null_tests

implemented null tests for Tuples and UDTs
Add mapper test for composite keys.
Improve error message for wrong key ordering in mapper.
Merge branch 'irsm-patch-1' into 2.1
Merge remote-tracking branch 'origin/2.1' into 361v2