Add mentions to filter and register, closes #4678
Add mentions to filter and register, closes #4678

lexmag/elixir,beedub/elixir,elixir-lang/elixir,ggcampinho/elixir,joshprice/elixir,pedrosnk/elixir,gfvcastro/elixir,lexmag/elixir,kimshrier/elixir,pedrosnk/elixir,kelvinst/elixir,antipax/elixir,kelvinst/elixir,kimshrier/elixir,michalmuskala/elixir,ggcampinho/elixir,gfvcastro/elixir,beedub/elixir,antipax/elixir