Rename DashboardGlobeLocation to DashboardItemGlobeLocation

Remove JSON from iswa module and use openspace one instead
Remove warnings
General code cleanup

include/openspace/util/spicemanager.h

@@ -364,7 +364,7 @@ public:
      * succeeds iff \p body is the name of a valid body, \p value is a value associated
      * with the body, and the value consists of three \c double values. If all conditions
      * are true, the value is retrieved using the method \c bodvrd_c and stored in \p v.
-     * 
+     *
      * \param body The name of the body whose value should be retrieved or the NAIF ID of
      *        this body
      * \param value The value that should be retrieved, this value is case-sensitive

include/openspace/util/syncdata.inl

@@ -27,7 +27,7 @@
 namespace openspace {
 
 template<class T>
-SyncData<T>::SyncData(const T& val) : data(val) {};
+SyncData<T>::SyncData(const T& val) : data(val) {}
 
 template<class T>
 SyncData<T>::SyncData(const SyncData<T>& o) : data(o.data) {}
@@ -70,6 +70,6 @@ void SyncData<T>::postSync(bool isMaster) {
         data = doubleBufferedData;
         _mutex.unlock();
     }
-};
+}
 
 } // namespace openspace