kiji-modeling: MODELING-9. Update to work with latest kiji-express changes to ColumnFilterSpec

issue: https://jira.kiji.org/browse/MODELING-9
review: https://review.kiji.org/r/1507
commit: https://github.com/kijiproject/kiji-modeling/commit/908ff5382d07484f6bf5cf3cc9a3bbdd8116ed6b