* rocketchat:postcss parser and cssnext implementation

* convert forms, keygrames and reset to cssnext

* convert rtl to cssnext

* convert base.less to cssnext

* convert base.less to cssnext

* fix * selector

* try to fix tests

* add css browser support

* remove duplicated test

* remove duplicated get

* skip fileupload test

* fix tests

* skip fileupload tests

* Try to fix tests

* try to fix the test

* test

* vai que vai

* fix wrong commit

* try again

* try some more

* try to fix tests

* skip the failing tests

* skip last test

* fix stylelint

* stylelint

* fix height calc

* skip sweetalert tests again

* skip more sweetalert tests

Try to communicate with Chrome extension to see it is installed instead of checking for a cookie (the Chrome extension will not set a cookie anymore)

Use const instead of let

Use property shorthand

Manual push by LingoHub User: Gabriel Engel.
Project: Rocket.Chat

Made with  by https://lingohub.com

In .rename, having both name and roomName parameters would be confusing.

Also:
Sync groups.close error message with channels.close
Sync and fix error message in groups.open that was using a parameter that
couldn't be there before this patch.
Extract the bodyParams/queryParams logic.

Manual push by LingoHub User: Gabriel Engel.
Project: Rocket.Chat

Made with  by https://lingohub.com

[FIX] make channels.create API check for create-c

Old mistake rewriting code.