kiji-express: EXP-157. Revise annotations in the KijiExpress project

issue: https://jira.kiji.org/browse/EXP-157

added missing visibility, stability(all experimental for now), and inheritance annotations. Fixed ModelLifecycleToolSuite test to use prefix in creating temp file

review: https://review.kiji.org/r/1235
commit: https://github.com/kijiproject/kiji-express/commit/6768b0688a29dfaf699a82290e6bae1d89d80461