Updating mocha to latest stable

tests/UI/config.dist.js

tests/lib/mocha-1.17.1/.travis.yml

tests/lib/mocha-1.17.1/Readme.md

tests/lib/mocha-1.17.1/bower.json

tests/lib/mocha-1.17.1/support/foot.js

tests/lib/mocha-1.17.1/test/acceptance/timeout.js

tests/lib/mocha-1.17.1/test/acceptance/utils.js

tests/lib/mocha-2.1.0/.editorconfig

tests/lib/mocha-2.1.0/.gitignore

tests/lib/mocha-2.1.0/.mailmap

tests/lib/mocha-2.1.0/.travis.yml

tests/lib/mocha-2.1.0/CONTRIBUTING.md

tests/lib/mocha-2.1.0/HISTORY.md

tests/lib/mocha-2.1.0/LICENSE

tests/lib/mocha-2.1.0/Makefile

tests/lib/mocha-2.1.0/README.md

tests/lib/mocha-2.1.0/bin/_mocha

tests/lib/mocha-2.1.0/bin/mocha

tests/lib/mocha-2.1.0/bower.json

tests/lib/mocha-2.1.0/component.json