Add better examples and docs for all_simple_paths.
Add better examples and docs for all_simple_paths.

dmoliveira/networkx,nathania/networkx,dmoliveira/networkx,SanketDG/networkx,ghdk/networkx,RMKD/networkx,kai5263499/networkx,Sixshaman/networkx,ghdk/networkx,debsankha/networkx,kernc/networkx,debsankha/networkx,ionanrozenfeld/networkx,kai5263499/networkx,blublud/networkx,michaelpacer/networkx,aureooms/networkx,jakevdp/networkx,nathania/networkx,bzero/networkx,jni/networkx,blublud/networkx,cmtm/networkx,ionanrozenfeld/networkx,ltiao/networkx,chrisnatali/networkx,jni/networkx,chrisnatali/networkx,dhimmel/networkx,chrisnatali/networkx,farhaanbukhsh/networkx,bzero/networkx,bzero/networkx,RMKD/networkx,RMKD/networkx,farhaanbukhsh/networkx,NvanAdrichem/networkx,sharifulgeo/networkx,sharifulgeo/networkx,debsankha/networkx,tmilicic/networkx,aureooms/networkx,jakevdp/networkx,blublud/networkx,farhaanbukhsh/networkx,wasade/networkx,harlowja/networkx,harlowja/networkx,dhimmel/networkx,goulu/networkx,OrkoHunter/networkx,dmoliveira/networkx,harlowja/networkx,kernc/networkx,JamesClough/networkx,kai5263499/networkx,jtorrents/networkx,jfinkels/networkx,dhimmel/networkx,beni55/networkx,ionanrozenfeld/networkx,jcurbelo/networkx,kernc/networkx,jtorrents/networkx,andnovar/networkx,ghdk/networkx,sharifulgeo/networkx,jakevdp/networkx,aureooms/networkx,jni/networkx,yashu-seth/networkx,nathania/networkx