- make java6 dependency explicit in eclipse project files
- avoid using NotImplementException especially the sun.* one
- avoid using internal sun signal handling and rely on standard java.* APIs
(I tested this one and it seems to be working fine)
git-svn-id: http://google-refine.googlecode.com/svn/trunk@756 7d457c2a-affb-35e4-300a-418c747d4874