merged EAP framework from branch into trunk

includes a lot of other modifications

src/starter/invokecharon.c

@@ -116,6 +116,8 @@ starter_start_charon (starter_config_t *cfg, bool debug)
     {
 	arg[argc++] = "--strictcrlpolicy";
     }
+    arg[argc++] = "--eapdir";
+    arg[argc++] = cfg->setup.eapdir;
 
     {   /* parse debug string */
     	char *pos, *level, *buf_pos, type[4], buffer[512];