improve coding style

lib/api/actions/capabiltities.cpp

@@ -31,6 +31,7 @@ class CapabilitiesAction : public Action {
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		json_t *json_hooks = json_array();

lib/api/actions/config.cpp

@@ -32,6 +32,7 @@ class ConfigAction : public Action {
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		json_t *cfg = session->getSuperNode()->getConfig();

lib/api/actions/nodes.cpp

@@ -37,6 +37,7 @@ class NodesAction : public Action {
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		json_t *json_nodes = json_array();

lib/api/actions/paths.cpp

@@ -36,6 +36,7 @@ class PathsAction : public Action {
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		json_t *json_paths = json_array();

lib/api/actions/restart.cpp

@@ -46,6 +46,7 @@ protected:
 		const char *argv[] = { "villas-node", cfg, nullptr };
 
 		logger->info("Restart instance: config={}", cfg);
+
 		ret = execvp("/proc/self/exe", (char **) argv);
 		if (ret)
 			throw SystemError("Failed to restart");
@@ -53,6 +54,7 @@ protected:
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		int ret;

lib/api/actions/shutdown.cpp

@@ -33,6 +33,7 @@ class ShutdownAction : public Action {
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		killme(SIGTERM);

lib/api/actions/status.cpp

@@ -34,6 +34,7 @@ class StatusAction : public Action {
 
 public:
 	using Action::Action;
+
 	virtual int execute(json_t *args, json_t **resp)
 	{
 		int ret;