convertion built-in help doc-strings to markdown so it looks better on the API page
convertion built-in help doc-strings to markdown so it looks better on the API page

(tweaked slightly to be in line with this branch's behavior -- no strategies)

pashinin/fabric,akaariai/fabric,kxxoling/fabric,simon-engledew/fabric,cgvarela/fabric,haridsv/fabric,sdelements/fabric,opavader/fabric,ericholscher/fabric,SamuelMarks/fabric,cmattoon/fabric,qinrong/fabric,xLegoz/fabric,jaraco/fabric,rbramwell/fabric,TarasRudnyk/fabric,elijah513/fabric,getsentry/fabric,mathiasertl/fabric,kmonsoor/fabric,rodrigc/fabric,fernandezcuesta/fabric,pgroudas/fabric,tolbkni/fabric,bspink/fabric,bitmonk/fabric,raimon49/fabric,tekapo/fabric,hrubi/fabric,rane-hs/fabric-py3,MjAbuz/fabric,askulkarni2/fabric,felix-d/fabric,ploxiln/fabric,amaniak/fabric,likesxuqiang/fabric,bitprophet/fabric,StackStorm/fabric,itoed/fabric