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Adding the complementary part to mkly's changes, making it more friendly for newcomers to know how to get the latest development build without having to know how to navigate GitHub.

Former-commit-id: 9e02d79e41c335d5afd46e677ad0e833e077b9aa
KorvinSzanto/concrete5,concrete5/concrete5,rikzuiderlicht/concrete5,mainio/concrete5,deek87/concrete5,olsgreen/concrete5,olsgreen/concrete5,olsgreen/concrete5,mlocati/concrete5,triplei/concrete5-8,hissy/concrete5,jaromirdalecky/concrete5,acliss19xx/concrete5,concrete5/concrete5,MrKarlDilkington/concrete5,biplobice/concrete5,acliss19xx/concrete5,biplobice/concrete5,mlocati/concrete5,MrKarlDilkington/concrete5,rikzuiderlicht/concrete5,deek87/concrete5,triplei/concrete5-8,hissy/concrete5,deek87/concrete5,haeflimi/concrete5,MrKarlDilkington/concrete5,haeflimi/concrete5,KorvinSzanto/concrete5,a3020/concrete5,jaromirdalecky/concrete5,concrete5/concrete5,mainio/concrete5,deek87/concrete5,haeflimi/concrete5,a3020/concrete5,jaromirdalecky/concrete5,mlocati/concrete5,mlocati/concrete5,acliss19xx/concrete5,KorvinSzanto/concrete5,triplei/concrete5-8,rikzuiderlicht/concrete5,concrete5/concrete5,hissy/concrete5,hissy/concrete5,mainio/concrete5,biplobice/concrete5,haeflimi/concrete5,biplobice/concrete5,jaromirdalecky/concrete5