Ootion for less-strict html parsing. (Fixes issue 3484)
When the plugins module is more friendly to alternative packages I will repackage commons where it should be.

Change-Id: Icf4afe2ffd9280194dea70601addacbb57bacc4b
Reviewed-on: http://gerrit.dmdirc.com/436
Reviewed-by: Gregory Holmes <greboid@dmdirc.com>
Tested-by: Gregory Holmes <greboid@dmdirc.com>