rxr sls namespace (#457)

* rxr src files and classes (detectordata, ZmqSocket) added to sls namespace

* moving defines inside namespace

* moving defines inside namespace, added helpdacs to namespace

* added namespace to gui

* gui also updated

* removed unnecessary sls:: when already in sls namespace for slsDetectoSoftware, receverSoftware, slsDetectorGui and slsSupportlib

slsReceiverSoftware/src/ThreadObject.h

@@ -17,6 +17,8 @@
 #include <string>
 #include <thread>
 
+namespace sls {
+
 class ThreadObject : private virtual slsDetectorDefs {
   protected:
     const int index{0};
@@ -47,3 +49,5 @@ class ThreadObject : private virtual slsDetectorDefs {
     const std::string type;
     std::atomic<pid_t> threadId{0};
 };
+
+} // namespace sls