Aggregating Forums 2.9.3

• Fix that the 'post thread' selector could return an empty list for aggregated forums

• Compatibility fix when extending javascript
  

• Add "List forum in thread view " option, controls when the forum link is injected;
  • Default value of "On aggregated child forums only"
    

• Add "Include sticky threads when aggregating forums" option
• Remove legacy XF1 template modification & minor code cleanup

• Confirm compatibility with XF2.1
• Update installer & minor code styling maintenance