OR-570 validTarget return only streams of communities where user can write
OR-570 Midway tests for restricted community message
OR-570 Restrict posting responses to messages
OR-570 Remove unuseful return
OR-570 return 403 when user can not write to stream
OR-570 Remove wrapper
OR-570 Rename middleware
Merge pull request #377 in OR/rse from OR/rse-chamerling:OR-570-protect-api-against-writes-on-restricted to master

* commit 'a084c977ef7feab929835fd4683134909d7cfdff':
  OR-570 Rename middleware
  OR-570 Remove wrapper
  OR-570 return 403 when user can not write to stream
  OR-570 Remove unuseful return
  OR-570 Restrict posting responses to messages
  OR-570 Midway tests for restricted community message
  OR-570 validTarget return only streams of communities where user can write