Cleanup for coding style

Add strict mode to check_style_guide script

include/openspace/performance/performancemanager.h

@@ -43,19 +43,19 @@ class PerformanceManager {
 public:
     static void createGlobalSharedMemory();
     static void destroyGlobalSharedMemory();
-    
+
     PerformanceManager(std::string loggingDirectory = "${BASE_PATH}",
         std::string prefix = "PM-");
-    
+
     ~PerformanceManager();
 
     void resetPerformanceMeasurements();
-    
+
     bool isMeasuringPerformance() const;
 
     void storeIndividualPerformanceMeasurement(std::string identifier, long long nanoseconds);
     void storeScenePerformanceMeasurements(const std::vector<SceneGraphNode*>& sceneNodes);
-    
+
     void outputLogs();
 
     void writeData(std::ofstream& out, const std::vector<float>& data);
@@ -83,13 +83,13 @@ private:
     std::string _prefix;
     std::string _suffix;
     std::string _ext;
-    
+
     std::map<std::string, size_t> individualPerformanceLocations;
-    
+
     std::unique_ptr<ghoul::SharedMemory> _performanceMemory;
 
     size_t _tick;
-    
+
     void tick();
     bool createLogDir();
 };

include/openspace/performance/performancemeasurement.h

@@ -46,7 +46,7 @@ private:
 
     std::chrono::high_resolution_clock::time_point _startTime;
 };
-    
+
 #define __MERGE(a,b)  a##b
 #define __LABEL(a) __MERGE(unique_name_, a)
 
@@ -57,7 +57,7 @@ private:
             (name), \
             OsEng.renderEngine().performanceManager() \
         )
-    
+
 } // namespace openspace::performance
 
 #endif // __OPENSPACE_CORE___PERFORMANCEMEASUREMENT___H__