Merge branch 'develop' of github.com:RocketChat/Rocket.Chat into develop

packages/rocketchat-theme/assets/stylesheets/base.less

packages/rocketchat-theme/assets/stylesheets/fontello.css

packages/rocketchat-theme/assets/stylesheets/rtl.less

...es/rocketchat-ui-flextab/flex-tab/tabs/messageSearch.html

private/fontello.json

private/images/fontello.svg

public/fonts/fontello.eot

public/fonts/fontello.html

public/fonts/fontello.ttf

public/fonts/fontello.woff