- started converting graph modules to Proc
- converted a couple more modules to Proc
- updated for renamed logging function
- added brief GWY_RESPONSE_USER example
- marked paramdef arguments passed to Proc and Tool as transfer-full because the class will
- renamed gwy_log_add_params_full() to just gwy_log_add_params()
- fixed coding style (in modules that actually have one, i.e. except classify and ddd)
- removed trailing whitespace