update "Usage" and "--compilers" sections
update "Usage" and "--compilers" sections

adamgruber/mocha,outsideris/mocha,igwejk/mocha,mochajs/mocha,mochajs/mocha,boneskull/mocha,outsideris/mocha,hoverduck/mocha,mochajs/mocha,igwejk/mocha,adamgruber/mocha,hoverduck/mocha,hoverduck/mocha,hoverduck/mocha,adamgruber/mocha,boneskull/mocha,boneskull/mocha