a) dynamically loadable control surface support

b) move tranzport and generic midi into separate dirs under "surfaces"


git-svn-id: svn://localhost/trunk/ardour2@442 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/pbd3/pthread_utils.cc

@@ -25,7 +25,7 @@
 
 #include <pbd/pthread_utils.h>
 
-using std::string;
+using namespace std;
 
 typedef std::map<string,pthread_t> ThreadMap;
 static ThreadMap all_threads;
@@ -43,6 +43,8 @@ pthread_create_and_store (string name, pthread_t  *thread, pthread_attr_t *attr,
 {
 	int ret;
 
+	cerr << "Creating thread " << name << endl;
+
 	if ((ret = pthread_create (thread, attr, start_routine, arg)) == 0) {
 		std::pair<string,pthread_t> newpair;
 		newpair.first = name;