added convolutional layers to bprop check
added convolutional layers to bprop check

rakeshkurakula/deeppy,manashmndl/deeppy,ilo10/deeppy,bssrdf/deeppy,andersbll/deeppy_experimental,redreamality/deeppy,rajat1994/deeppy,lre/deeppy,LWHTarena/deeppy,andersbll/deeppy,appapantula/deeppy,nishantsbi/deeppy,hendrikTpl/deeppy,MohammedWasim/deeppy,3manuek/deeppy,mhdella/deeppy,mqyqlx/deeppy,deepesch/deeppy