RESOLVED - issue OPENFLEXO-870: size of data source and email data
source is too big in swimlane 
https://bugs.openflexo.com/browse/OPENFLEXO-870
RESOLVED - issue OPENFLEXO-866: label associated with begin node cannot
be resized  https://bugs.openflexo.com/browse/OPENFLEXO-866
LOW: Minor bug fixes