Follow c++ naming convention

src/ScoreCalculator.cpp

@@ -1,9 +1,6 @@
 #include "../include/ScoreCalculator.h"
 
-ScoreCalculator::ScoreCalculator() {};
-ScoreCalculator::~ScoreCalculator() {};
-
-int ScoreCalculator::GetScore(vector<int> rolls) {
+int ScoreCalculator::getScore(vector<int> rolls) {
     int score = 0;
     int frame = 0;