embed and activate dmon in cjit runtime

fix dmon embedding on osx
fix embed dmon for win native build

ASAN switches back on compiler optimizations in gdb

A small refactoring of the code includes the new internal struct
CJITState passing through functions some switches that are inherent to
CJIT. In the close future this may also include TCCState.

This facilitates propagation of cli options like pid file creation as
well dmon switch to other parts of the code called by cjit.c main
function.

Yet to be tested on all platforms. Skip dmon bats test on musl and win.

new check-ci target only for tests working in CI

removes the need for the cli option --dmon