Moves source and headers

src/nt/*.h   => src/pv/*.h
src/nt/*.cpp => src/*.cpp
test/nt/*.*  => test/*.*

src/ntutils.cpp

@@ -0,0 +1,28 @@
+/* ntutils.cpp */
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * This software is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+
+#define epicsExportSharedSymbols
+#include <pv/ntutils.h>
+
+using namespace std;
+
+namespace epics { namespace nt {
+
+bool NTUtils::is_a(const std::string &u1, const std::string &u2)
+{
+    // remove minor for the u1
+    size_t pos1 = u1.find_last_of('.');
+    std::string su1 = (pos1 == string::npos) ? u1 : u1.substr(0, pos1);
+
+    // remove minor for the u2
+    size_t pos2 = u2.find_last_of('.');
+    std::string su2 = (pos2 == string::npos) ? u2 : u2.substr(0, pos2);
+
+    return su2 == su1;
+}
+
+}}