* doc/sdccman.lyx: updated PIC14/16 command line args, updated PIC14

* doc/sdccman.lyx: updated PIC14/16 command line args, updated PIC14
    code page and data banking description
* src/pic/genarith.c,
* src/pic/gen.h: removed bit arithmetic functions,
    updated exit(1) to exit(EXIT_FAILURE)
* device/lib/pic16/libsdcc/stack/stack.S: default to 256 byte stack
* device/include/pic16/pic18f2455.h,
* device/lib/pic16/libdev/pic18f2455.c: added PORTD, LATD, LATE,
    TRISD and TRISE, fixed/added some bit names
* device/lib/pic16/libdev/pic18f{2550,4550,4455}.c,
* device/include/pic16/pic18f{2550,4550,4455}.h: simply include
    updated pic18f2455.{c,h} instead of duplicating them

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4573 4a8a32a2-be11-0410-ad9d-d568d2c75423