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* add: unified diff (862)
* add: set MOCHA_COLORS env var to use colors (965)
* add: able to override tests links in html reporters (776)
* remove: teamcity reporter (954)
* update: commander dependency to 2.0.0 (1010)
* fix: mocha --ui will try to require the ui if not built in, as --reporter does (1022)
* fix: send cursor commands only if isatty (184, 1003)
* fix: include assertion message in base reporter (993, 991)
* fix: consistent return of it, it.only, and describe, describe.only (840)