Changed content

devg-*: Changed the -amode option in all the devg-* driver docs to mode_opt
devu-kbd: Reinstated class driver for USB keyboards
devu-mouse: Reinstated class driver for USB mice
esh, fesh: Added the emount and ewaitfor builtin commands.
nto*-* variants: Added synopsis information for the ntoarm-*, ntomips-*, ntomulti-*, ntoppc-*, ntosh-*, ntox86-* variants of: ar, gcc, gcov, gdb, gprof, ld, nm, objcopy, objdump, size, strings, and strip.
qcc: The -w9 option's behavior is specifically documented, with additional options necessary to report all warnings.
qconn: Added more description to the qconn_prio= option to prevent errors when the system is under heavy load.
sendnto: Documented -b option.
su: Documented - userid argument.
tracelogger: Now accepts control commands through its device, devctl() and pulses, and has a new option (-c).
uesh: Added the emount and ewaitfor builtin commands.
usemsg: %1> and %2> macros fixed (were previously documented as %0> and %1>).
usemsg also uses objcopy by default instead of ldrel.