 update for 0.6.0 filter:register.check change
 update for 0.6.0 filter:register.check change

https://github.com/NodeBB/NodeBB/commit/76c16c0383f800e728e4216e09336756a3d90c07
akhoury/nodebb-plugin-spam-be-gone,julianlam/nodebb-plugin-spam-be-gone,lots0logs/nodebb-plugin-spam-be-gone,rbeer/nodebb-plugin-spam-be-gone