Refactor:

Refactor:
relocate getLimit() method from Util client to Util engine as  SkeletalExecutable (part of the engine depends on it)

Update compile ant task to get rid of warnings.
However, ant still does not complile due to cast issue. TODO later
Updating version of utils and datamodel as it includes the utils

git-svn-id: link to svn.lifesci.dundee.ac.uk/svn/barton/ptroshin/JABA2@3967 e3abac25-378b-4346-85de-24260fe3988d