[libgloss] * configure.in: Add rl78. * configure: Regenerate. * rl78: New directory

[newlib]
* configure.host: Add rl78.
* libc/include/machine/ieeefp.h: Add rl78 support.
* libc/include/machine/setjmp.h: Add rl78 support.
* libc/machine/configure.in: Add rl78.
* libc/machine/rl78: New directory.
Initial commit
* libc/machine/rl78/setjmp.S: Convert from CPP macros to GAS macros, to avoid dependence on the line separation character.

* rl78/crt0.S (_interrupt_vector_table): Convert from CPP macros
to GAS macros, to avoid dependence on the line separation
character.
SLIP-radio support for the Nooliberry (RF230 radio)
SLIP-radio support for the Econotag
Restore CC2420 as default in slip-radio
Find and use latest installed GNURL78 toolchain automatically.
Add reset action to terminal target of Makefile. If reset signal is routed to MCU and reset action is not requested, reset signal will be held low.
In GNURL78 v13.01 __far keyword is fixed. Now it is possible to use far pointers to flash area.
Added the PmodRF3 demo for Renesas RL78G14 board.
Added the PmodRF3 demo for Renesas RL78G14 board.
Add method to get the first neighbour which is about to expire
Added 3 more functions.
Code style fixes
Added the TIME driver for RL78G14.
Telnetd improvement: allow specifying a maximum silence time and kill the connection after that time. This is to avoid the telnet connection getting stuck forever if the connecting host reboots.
Added a number of default options for ContikiMAC, and allow them to be overridden with contiki-conf.h configuration options
Allow proactive probing interval to be configured
Allow platform makefiles to specify APPS to be used, by defining a PLATFORMAPPS variable.
Bugfix: when a CSMA callback is received, we should remove the packet
that was transmitted and not just the first packet that happens to be on
the output queue.