A load more C++11 tweaks - mostly moving initialisations from constructors to inline

include/internal/catch_timer.h

@@ -13,14 +13,13 @@
 namespace Catch {
     class Timer {
     public:
-        Timer() : m_microSeconds( 0 ) {}
         void start();
         unsigned int getElapsedMicroseconds() const;
         unsigned int getElapsedMilliseconds() const;
         double getElapsedSeconds() const;
 
     private:
-        uint64_t m_microSeconds;
+        uint64_t m_microSeconds = 0;
     };
 
 } // namespace Catch