Cleanup and refactor of public plugin API

Improve upon API names, both internal and external, to make it clearer
where methods are located and clarify responsibility.

Add new Makefile target "dev" to create untagged development snapshots.

Bump version for upcoming release.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

plugin.c

@@ -73,7 +73,6 @@ int plugin_register(plugin_t *plugin)
 
 		if (svc) {
 			plugin->svc.id = svc_id(svc);
-			svc->plugin    = &plugin->svc;
 			inuse++;
 		}
 	}
@@ -98,7 +97,7 @@ int plugin_unregister(plugin_t *plugin)
 }
 
 /* Private daemon API *******************************************************/
-void run_hooks(hook_point_t no)
+void plugin_run_hooks(hook_point_t no)
 {
 	plugin_t *p;
 
@@ -110,16 +109,19 @@ void run_hooks(hook_point_t no)
 	}
 }
 
-void run_services(void)
+/* Run registered plugin service callback for the given svc ID */
+svc_cmd_t plugin_svc_enabled(svc_t *svc, int event, void *arg)
 {
 	plugin_t *p;
 
+	/* Find matching plugin, pick first matching fd */
 	PLUGIN_ITERATOR(p) {
-		if (p->svc.cb) {
-			_d("Calling svc %s from runloop...", basename(p->name));
-			p->svc.cb(p->svc.arg, 0);
-		}
+		if (p->svc.id == svc_id(svc))
+			return p->svc.cb(svc, event, arg);
 	}
+
+	/* Unknown service, default to start (since it's in finit.conf) */
+	return SVC_START;
 }
 
 /* Generic libev I/O callback, looks up correct plugin and calls its callback */
@@ -137,7 +139,7 @@ static void generic_io_cb(int fd, int events)
 	}
 }
 
-void io_monitor(void)
+void plugin_monitor(void)
 {
 	int ret;
 	size_t i;
@@ -178,7 +180,7 @@ static void init_plugins(void)
 	}
 }
 
-int load_plugins(char *path)
+int plugin_load_all(char *path)
 {
 	DIR *dp = opendir(path);
 	struct dirent *entry;