use the log features of the GLib to have verbose output of the capturing engine,...

use the log features of the GLib to have verbose output of the capturing engine, e.g. GLib provides different domains for different submodules. Output more verbose than warning level will be disabled by default (just like before).

use the console_log_handler in main.c for win32 AND unix now

Currently use the log for the capturing engine (only), as I desperately needed a log output for debugging.

svn path=/trunk/; revision=14438