add ISO datetime to filename when saving chart as image
add ISO datetime to filename when saving chart as image

M32Media/redash,jmvasquez/redashtest,amino-data/redash,useabode/redash,hudl/redash,stefanseifert/redash,useabode/redash,ninneko/redash,rockwotj/redash,hudl/redash,vishesh92/redash,stefanseifert/redash,pubnative/redash,easytaxibr/redash,imsally/redash,useabode/redash,44px/redash,getredash/redash,EverlyWell/redash,rockwotj/redash,pubnative/redash,denisov-vlad/redash,akariv/redash,alexanderlz/redash,M32Media/redash,amino-data/redash,jmvasquez/redashtest,imsally/redash,alexanderlz/redash,ninneko/redash,rockwotj/redash,akariv/redash,imsally/redash,pubnative/redash,getredash/redash,crowdworks/redash,crowdworks/redash,stefanseifert/redash,pubnative/redash,guaguadev/redash,jmvasquez/redashtest,getredash/redash,hudl/redash,guaguadev/redash,EverlyWell/redash,crowdworks/redash,44px/redash,M32Media/redash,guaguadev/redash,getredash/redash,pubnative/redash,crowdworks/redash,akariv/redash,useabode/redash,denisov-vlad/redash,moritz9/redash,amino-data/redash,amino-data/redash,chriszs/redash,moritz9/redash,44px/redash,guaguadev/redash,hudl/redash,stefanseifert/redash,44px/redash,denisov-vlad/redash,imsally/redash,rockwotj/redash,moritz9/redash,easytaxibr/redash,jmvasquez/redashtest,guaguadev/redash,vishesh92/redash,ninneko/redash,easytaxibr/redash,EverlyWell/redash,ninneko/redash,M32Media/redash,ninneko/redash,akariv/redash,chriszs/redash,EverlyWell/redash,vishesh92/redash,chriszs/redash,jmvasquez/redashtest,alexanderlz/redash,getredash/redash,chriszs/redash,stefanseifert/redash,akariv/redash,easytaxibr/redash,vishesh92/redash,denisov-vlad/redash,alexanderlz/redash,moritz9/redash,easytaxibr/redash,denisov-vlad/redash