cleanup build, examples and library

src/examples/mesh/MeshApp.h

@@ -18,12 +18,12 @@ class MeshApp : public Sprocket {
             net->mesh.onReceive(bind(&MeshApp::receivedCallback,this, _1, _2));
             // add a task that sends stuff to the mesh
             someTask.set(TASK_SECOND * 5, TASK_FOREVER,
-                bind(&MeshApp::advertise, this, net));
+                bind(&MeshApp::heartbeat, this, net));
             scheduler->addTask(someTask);
             someTask.enable();
         } using Sprocket::activate;
 
-        void advertise(MeshNet* network){
+        void heartbeat(MeshNet* network){
             String msg = "{ \"payload \": 1 }";
             network->broadcast(msg);
         }