* device/include/pic16/pic18f2431.h,

* device/include/pic16/pic18f2431.h,
* device/include/pic16/pic18f25j10.h,
* device/include/pic16/pic18f4431.h,
* device/include/pic16/pic18f45j10.h: adopted common include style
* device/include/pic16/pic18f1320.h,
* device/include/pic16/pic18f2320.h,
* device/include/pic16/pic18f2525.h,
* device/include/pic16/pic18f4320.h,
* device/include/pic16/pic18f4525.h: NEW, just include proper .h file
* device/include/pic16/pic18fregs.h: prepared for automatic include
  file selection by having DEVICE.h for every DEVICE
* device/lib/pic16/libdev/pic18f2320.c,
* device/lib/pic16/libdev/pic18f4320.c: just include proper .c file

* device/lib/pic16/configure.in,
* device/lib/pic16/configure: use rm -rf instead of rmdir
* device/lib/pic16/Makefile.in: use RMDIR to remove build directories
* device/lib/pic16/libc/stdlib/free.c: avoid warning on pointer cast

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4914 4a8a32a2-be11-0410-ad9d-d568d2c75423