[eglib] Add log/print redirection functions to eglib.
[eglib] g_assertion_message should not abort, g_logv will do it.
[utils] Add runtime API for output redirection, logging and aborting.
[jit] Ensure no threads are running when the JIT is asked to cleanup.
[msvc] Fix release 64bits builds.
[eglib] Restore previous defaults for some platforms.