Thou shalt not push merge commits

[text] CLH LN CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT CLNT LT O GO 000100105 A Y 0o O o PARNRN 10 IR This push was rejected by Herald push rule H149. Change comnit Rule No merge commits Reason No merge commits IRt AT IR I LEL LT