Fix #1558: Add min height for data notes and always show source link
Fix #1558: Add min height for data notes and always show source link

sergey-filipenko/vizabi,dab2000/vizabi,vizabi/vizabi,dab2000/vizabi,sergey-filipenko/vizabi,sergey-filipenko/vizabi,Gapminder/vizabi,Gapminder/vizabi,vizabi/vizabi,buchslava/vizabi,buchslava/vizabi,dab2000/vizabi,Gapminder/vizabi,buchslava/vizabi