Do something reasonable in fast_gnp_random_graph() when p<=0 (empty graph) or p>=1 (complete graph). Fixes #451
Do something reasonable in fast_gnp_random_graph() when p<=0
(empty graph) or p>=1 (complete graph).
Fixes #451

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