Eliminate PaneContainer prototype properties
Eliminate PaneContainer prototype properties

decaffeinate-examples/atom,sotayamashita/atom,Mokolea/atom,decaffeinate-examples/atom,kevinrenaers/atom,stinsonga/atom,decaffeinate-examples/atom,AlexxNica/atom,CraZySacX/atom,kevinrenaers/atom,atom/atom,CraZySacX/atom,PKRoma/atom,andrewleverette/atom,stinsonga/atom,xream/atom,liuderchi/atom,liuderchi/atom,liuderchi/atom,FIT-CSE2410-A-Bombs/atom,sotayamashita/atom,xream/atom,t9md/atom,ardeshirj/atom,Arcanemagus/atom,brettle/atom,kevinrenaers/atom,brettle/atom,stinsonga/atom,PKRoma/atom,FIT-CSE2410-A-Bombs/atom,ardeshirj/atom,FIT-CSE2410-A-Bombs/atom,atom/atom,Arcanemagus/atom,stinsonga/atom,AlexxNica/atom,xream/atom,sotayamashita/atom,ardeshirj/atom,PKRoma/atom,decaffeinate-examples/atom,Mokolea/atom,Mokolea/atom,brettle/atom,AlexxNica/atom,andrewleverette/atom,t9md/atom,CraZySacX/atom,t9md/atom,andrewleverette/atom,atom/atom,Arcanemagus/atom,liuderchi/atom