Added missing provdb_shutdown source to git repo

Author: giltirn

app/provdb_shutdown.cpp

@@ -0,0 +1,22 @@
+#include "chimbuko/ad/ADProvenanceDBclient.hpp"
+
+using namespace chimbuko;
+
+int main(int argc, char** argv){
+#ifdef ENABLE_PROVDB
+  if(argc != 2){
+    std::cout << "Usage: provdb_shutdown <server address e.g. ofi+tcp;ofi_rxm://172.17.0.4:5000>" << std::endl;
+    return 1;
+  }
+  ADProvenanceDBclient ad(0);
+  ad.connect(argv[1], 1);
+  ad.stopServer();
+  ad.disconnect();
+
+  return 0;
+#else
+  std::cout << "ProvDB not in use" << std::endl;
+  return 1;
+#endif
+}
+