#864554 by Berdir, shenzhuxi: Added settings to control the displays of input format selection and preview button.

#825650 by Berdir | igorik, BenK, yaz085: Added redirect configuration options after sending messages.

#734900 by Berdir | robby.smith: Added permission to allow disabling privatemsg and display notice when disabled.

#719132 by Berdir | fugazi: Changed description of popups integration to include the necessary popups setting.

#520390 by Berdir | drupup: Added option to configure the display of the send message to themself link.

 #341370 by Berdir, nbz | sbydrupal, mrgoltra: Added 'Send msg to author' link to selected node types.