Merge branch 'develop' into piwik-analytics

packages/rocketchat-custom-oauth/custom_oauth_server.coffee

packages/rocketchat-katex/katex.coffee

packages/rocketchat-katex/settings.coffee

packages/rocketchat-lib/i18n/ar.i18n.json

packages/rocketchat-lib/i18n/ca.i18n.json

packages/rocketchat-lib/i18n/cs.i18n.json

packages/rocketchat-lib/i18n/de.i18n.json

packages/rocketchat-lib/i18n/el.i18n.json

packages/rocketchat-lib/i18n/en.i18n.json

packages/rocketchat-lib/i18n/es.i18n.json

packages/rocketchat-lib/i18n/fa.i18n.json

packages/rocketchat-lib/i18n/fi.i18n.json

packages/rocketchat-lib/i18n/fr.i18n.json

packages/rocketchat-lib/i18n/he.i18n.json

packages/rocketchat-lib/i18n/hr.i18n.json

packages/rocketchat-lib/i18n/hu.i18n.json

packages/rocketchat-lib/i18n/id.i18n.json

packages/rocketchat-lib/i18n/it.i18n.json

packages/rocketchat-lib/i18n/ja.i18n.json

packages/rocketchat-lib/i18n/km.i18n.json