Anubis / Anubis

…hese revision was only targeted for 1.14 but committed by error 1.13

grammar.y:
remove precedence lastly introduced by Alain.

…east I tried on dynamic_http_server only).
The new manual is still to be updated on a2a concept. 
Next step will be to create library/a2a/C/formater.anubis

(2) Moved the content of compiler/src/predef.anubis into library/predefined.anubis as its 'private' part. 
     A new compiler/src/predef.anubis is still present unabling the command: myanubis -predef
(3) Fixed a bug in show.c
(4) Continued the new Anubis language manual (manuals/en/Anubis-doc-1-13)
(5) Implemented the option --credit in anbexec.

…bis_dev/manuals/en/Anubis-doc-1-13.pdf)