Update release notes for 0.19.0
Update release notes for 0.19.0

magicmonty/pickles,blorgbeard/pickles,blorgbeard/pickles,picklesdoc/pickles,irfanah/pickles,irfanah/pickles,dirkrombauts/pickles,picklesdoc/pickles,ludwigjossieaux/pickles,blorgbeard/pickles,blorgbeard/pickles,magicmonty/pickles,irfanah/pickles,ludwigjossieaux/pickles,picklesdoc/pickles,picklesdoc/pickles,dirkrombauts/pickles,magicmonty/pickles,magicmonty/pickles,irfanah/pickles,ludwigjossieaux/pickles,dirkrombauts/pickles,dirkrombauts/pickles