Add Tracker#filtered_warnings
Add Tracker#filtered_warnings

spcoder/brakeman,jakeatwork/brakeman,cheerfulstoic/brakeman,masarakki/brakeman,kbrock/brakeman,cheerfulstoic/brakeman,htdc/brakeman,cheerfulstoic/brakeman,bf4/brakeman,spcoder/brakeman,github/brakeman,bf4/brakeman,jlecour/brakeman,spcoder/brakeman,jakeatwork/brakeman,kbrock/brakeman,github/brakeman,jlecour/brakeman,liqites/brakeman,lee-leon/brakeman,kbrock/brakeman,jakeatwork/brakeman,htdc/brakeman,htdc/brakeman,codeclimate/brakeman-deprecated,lee-leon/brakeman,jeffyip/brakeman,dfens/brakeman,liqites/brakeman,dfens/brakeman,jeffyip/brakeman,dfens/brakeman,masarakki/brakeman,liqites/brakeman,codeclimate/brakeman-deprecated,lee-leon/brakeman,bf4/brakeman,masarakki/brakeman,jlecour/brakeman