added note about repo clean in changelog
added note about repo clean in changelog

jhoguet/webdriverio,compulim/webdriverio,angelsanz/webdriverio,dandv/webdriverio,Pitzcarraldo/webdriverio,stoeffel/webdriverio,adjohnson916/webdriverio,angelsanz/webdriverio,drptbl/webdriverio,matteonovelli/webdriverio,wcainboundary/webdriverio,vslinko-forks/webdriverio,amitaibu/webdriverio,udnisap/webdriverio,lseongjoo/webdriverjs,georgecrawford/webdriverio,monolithed/webdriverio,georgecrawford/webdriverio,DenisGorbachev/webdriverjs,jhoguet/webdriverio,austek-mdsol/webdriverio,monolithed/webdriverio,pazone/webdriverio,silvenon/webdriverio,drptbl/webdriverio,lseongjoo/webdriverjs,adjohnson916/webdriverio,eyalzek/webdriverio,richardmcsong/webdriverio,mike-suggitt/webdriverio,compulim/webdriverio,noodle-learns-programming/webdriverio,pazone/webdriverio,milafrerichs/webdriverio,testingbot/webdriverjs,testingbot/webdriverjs,danielgil/webdriverio,dandv/webdriverio,leahciMic/webdriverio,cto/webdriverio,matteonovelli/webdriverio,saulshanabrook/webdriverio,amitaibu/webdriverio,saulshanabrook/webdriverio,gabrielpeery/webdriverio,cto/webdriverio,milafrerichs/webdriverio,noodle-learns-programming/webdriverio,sebastiendavid/webdriverio,richardmcsong/webdriverio,rossPatton/webdriverio,Mimiscita/webdriverio,Risto-Stevcev/webdriverio,silvenon/webdriverio,mike-suggitt/webdriverio,Risto-Stevcev/webdriverio,Pitzcarraldo/webdriverio,austek-mdsol/webdriverio,rossPatton/webdriverio,christian-bromann/webdriverjs,eyalzek/webdriverio,vslinko-forks/webdriverio,stoeffel/webdriverio,sebastiendavid/webdriverio,danielgil/webdriverio,wcainboundary/webdriverio,leahciMic/webdriverio,gabrielpeery/webdriverio,udnisap/webdriverio,Mimiscita/webdriverio