Merge pull request #559 in FS/freeswitch from ~JAONZE/freeswitch:bugfix/FS-8030-render-links-and-images-in-chat-window to master

* commit '5820ffd4':
  FS-8030 [verto_communicator] changed chat image display behavior (break line before rendering).
  FS-8030 [verto_communicator] added ngSanitize as a dependency, vertoFilters module and picturify filter.