Handle exceptions in all protocol listeners
Dispatch channel disconnect & close events to protocol as exceptions

• Added a utility test for server disconnects (ignored by default)
Bump netty to 3.8
Merge remote-tracking branch 'upstream/develop' into develop
DataSource and XADataSource
Merge pull request #49 from jesperpedersen/ds

DataSource and XADataSource
Ensure unit test methods are included in cleaned up leak traces
Merge remote-tracking branch 'upstream/develop' into develop
Merge pull request #48 from croudet/develop

use Deque instead of Stack in SQLText (avoid synchronized methods.) …  Remove unnecessary toString in Timestamps.
Merge remote-tracking branch 'upstream/develop' into develop
Remove unused code
Merge remote-tracking branch 'upstream/develop' into develop
Geometric types added:
 - Points
 - Line Segments
 - Boxes
 - Paths
 - Polygons
 - Circles