profanity: 0.4.5 -> 0.4.6

Changes include:

  * 16 colour support
  * UI preferences included in themes (http://www.profanity.im/themes.html)
  * Roster panel in console window
  * Word wrapping
  * Configure time display in main window
  * Set default account for /connect
  * Contact presence and resource displayed in titlebar
  * Ability to override resource when sending messages
  * Chat session handling in line with http://xmpp.org/rfcs/rfc6121.html#message-chat
  * Lower CPU usage during periods of inactivity
  * Keychain/keyring integration using account eval_password property
  * Fixed remote code execution bug on OSX when desktop notifications configured to show message text

Most new UI features are enabled by default but can be disabled with the relevant preference command.