Remove conditional blocks for other languages

The blocks are anyway empty. We'll get to it
when we touch elua_int.c for PicoLisp.
MIZAR32/mizar32_conf.f: Maintain same config for all Mizar32 devices

A quick check on the compilation for Mizar32-C (with bootloader set
as emblod) threw linker errors. Apparently, options like BUILD_TERM
were not defined for at32uc3a0128.

This commit enables them. PicoLisp can now be compiled for Mizar32-C
with bootloader=emblod.
PicoLisp's tmr subsystem: Include tmr_decode() in build

This function had been overlooked for the default build
CHANGELOG: "Updated PicoLisp doc in Mizar32 book"
SConstruct: Make build date inclusion in output name optional

Create a new command line switch for SConstruct 'build_date'.
If this is set to true, the date of build will be appended to
the output file name.
LICENSE: Rename file to LICENSE.elua

Alcor6L will require a seperate license.
LICENSE: Add seperate license file for Alcor6L
picolisp/lib.l: Fix link for debug.l

(not "@lib/debug.l" but "@debug.l")
SConstruct: change default target mode for picolisp to 'regular'

In picolisp, we don't have "actual" fp. We set *Scl (scale) and use
'format' to represent floating types. The language doesn't provide
any way to adjust floating/long/long long like eLua. (lua_conf.h)

So, the default (and only) target option for picolisp is 'regular'.
CHANGELOG: Add Mizar32-C to list of supported boards
CHANGELOG: Add 'eLua' to the list of supported languages
CHANGELOG: Update date and version
README.md: Include Mizar32-C as a supported platform
SConstruct: Remove MY-BASIC from the list of supported languages

Martin was right! MY-BASIC was a horrible idea. We'll surely have
Forth though (and probably Haskell, but the test results with Hugs
don't look very promising).
inc/shell.h: Remove MY-BASIC from the list of supported languages
src/main.c: Remove MY-BASIC from the list of supported languages
src/common.c: Remove MY-BASIC from the list of supported languages
src/modules/: Remove MY-BASIC specific sections
modules/elua.c: Remove MY-BASIC binding code
elua_int.c: Remove MY-BASIC specific sections