chatroom 5.x-1.7

Changes since DRUPAL-5--1-6:

• #152819: Module .info files should not define 'version' in CVS
• #140662 Improve performance by limiting the size of messages. Database patch by Lars Consume (klktrk)
• Eliminated duplicate stripslashes().
• #151754 Only add "Chat rooms" to the breadcrumb when viewing chat room as stand-alone page.
• Don't display sent time messages when time is undefined.
• Update the online list every five minutes.
• #150703 Confirm on-line status of other users before sending user list to new users and suppress joined the chat messages for first 10 seconds.
• #154653 Make sure tmp file is not being used by another site. Thanks to Steve Dondley for the initial work on this.
• Removed unused variables.
• #157633
  Fixed capitalization.
  Made all strings translatable.
  Clarified chat commands block.
  Removed links from on-line users block.
• Updated the translation template.