Merge pull request #1 from grouplens/master

sync with grouplens/lenskit
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/grouplens/lenskit
Merge branch 'master' of https://github.com/grouplens/lenskit
Make root JavaDoc run last
Make site upload log an error, but not fail the build
Test equivalence of snapshotting user-user CF (#580)
Upload CI deployment env vars
Properly emit site upload errors
Fix the bug in eval task so that for each algorithm instance the execution is correctly incorporated.
Merge pull request #601 from schang8000/master

Make execution info available to recommender components.