model data state saving is now part of ExecutableModel interface

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1274 c0027639-9190-0b57-01eb-f09a03790dae
clean up major wastefulness

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1275 c0027639-9190-0b57-01eb-f09a03790dae
ran Linux tests

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1276 c0027639-9190-0b57-01eb-f09a03790dae