Improve eval job logging
Allow JavaDoc to be skipped
Make the cache instantiate components even when inactive
Print Java version information to LensKit CLI log
Fix exception tests in train-test eval test
Make --log-file truncate instead of append
Don't store ephemeral cache entries on disk
Support installing LensKit app to alternate directories
Merge pull request #629 from elehack/feature/elehack-fix-eval-cache

Fix the eval component cache and some other improvements.