Move code to try to load a class from getPkgProperty to the separated findClass method and add catching of SecurityException there.
Move code to try to load a class from getPkgProperty to the separated findClass method and add catching of SecurityException there.

AlexTrotsenko/rhino,ashwinrayaprolu1984/rhino,AlexTrotsenko/rhino,lv7777/egit_test,tejassaoji/RhinoCoarseTainting,tuchida/rhino,AlexTrotsenko/rhino,sam/htmlunit-rhino-fork,lv7777/egit_test,lv7777/egit_test,Angelfirenze/rhino,swannodette/rhino,tuchida/rhino,rasmuserik/rhino,Pilarbrist/rhino,swannodette/rhino,qhanam/rhino,InstantWebP2P/rhino-android,Angelfirenze/rhino,ashwinrayaprolu1984/rhino,tntim96/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,AlexTrotsenko/rhino,ashwinrayaprolu1984/rhino,qhanam/rhino,jsdoc3/rhino,Pilarbrist/rhino,sam/htmlunit-rhino-fork,tuchida/rhino,tuchida/rhino,InstantWebP2P/rhino-android,Pilarbrist/rhino,swannodette/rhino,Angelfirenze/rhino,sainaen/rhino,tntim96/rhino-apigee,sainaen/rhino,tejassaoji/RhinoCoarseTainting,sainaen/rhino,tntim96/rhino-jscover-repackaged,Distrotech/rhino,swannodette/rhino,ashwinrayaprolu1984/rhino,sam/htmlunit-rhino-fork,lv7777/egit_test,tntim96/htmlunit-rhino-fork,Angelfirenze/rhino,sam/htmlunit-rhino-fork,Angelfirenze/rhino,tejassaoji/RhinoCoarseTainting,lv7777/egit_test,qhanam/rhino,swannodette/rhino,AlexTrotsenko/rhino,tntim96/rhino-apigee,lv7777/egit_test,Angelfirenze/rhino,Pilarbrist/rhino,jsdoc3/rhino,tejassaoji/RhinoCoarseTainting,sainaen/rhino,Pilarbrist/rhino,sam/htmlunit-rhino-fork,swannodette/rhino,sam/htmlunit-rhino-fork,rasmuserik/rhino,tuchida/rhino,AlexTrotsenko/rhino,tejassaoji/RhinoCoarseTainting,tejassaoji/RhinoCoarseTainting,sainaen/rhino,sainaen/rhino,Distrotech/rhino,tntim96/rhino-apigee,tntim96/rhino-jscover,swannodette/rhino,lv7777/egit_test,Pilarbrist/rhino,ashwinrayaprolu1984/rhino,sainaen/rhino,tejassaoji/RhinoCoarseTainting,tuchida/rhino,jsdoc3/rhino,AlexTrotsenko/rhino,ashwinrayaprolu1984/rhino,qhanam/rhino,tuchida/rhino,Angelfirenze/rhino,sam/htmlunit-rhino-fork,tntim96/rhino-jscover-repackaged,Pilarbrist/rhino,tntim96/rhino-jscover