Using moment.js's fromAgo in java too
added copytight
Merge pull request #144 from whiteship/yobi refs/heads/date
Remove every trailing whitespaces in every files.

Third-party libraries are excepted.
PullRequest: Fix NPE while render outdated comment

While rendering outdated comment on added or removed file, NPE occurs
because the editlist of the added or removed file is null.
Merge pull request #189 from npcode/yobi refs/heads/fix/npe-of-outdated-comment-on-added-or-removed-file
Merge pull request #188 from npcode/yobi refs/heads/refactoring/remove-trailing-whitespaces