* app/layer_cmds.[ch]: pdbgened, header file removed

* app/internal_procs.c: use pdbgen register for layer funcs

* app/*_cmds.c: various pdbgen formatting fixes

* app/Makefile.am: removed layer_cmds.h

* app/layer.c
* app/layerF.h: changed AddMaskType enum to capitals

-Yosh