removed needless function that duplicated standard functionality, with a little unnecessary twist

removed more dead code

be a bit more liberal with respect to the universal sort -- it sometimes help

renamed "untyped_aconv" to distinguish it clearly from the standard "aconv_untyped"

merged

simplified directory structure;
recovered README.html;

simplified directory structure;

further jedit build option;
misc tuning;

build jedit as part of regular startup script (in that case depending on jedit_build component);
misc tuning and simplification;

updated headers;