astyle: reformatted all files

Piece.hpp

@@ -92,6 +92,7 @@ class Piece {
 };
 
 class King : public Piece {
+  private:
     friend class Board;
   public:
 
@@ -102,18 +103,17 @@ class King : public Piece {
     }
     virtual std::vector<Move> getLegalMoves(const Square &from, const Board &board) const override;
 
-    bool checkForCheck() const {
-        return inCheck;
-    }
+    bool checkForCheck() const;
 
     bool checkForCastle(enum CastleSide side) const {
-        if(side == KINGSIDE) {
+        if(side == KINGSIDE)
             return canCastleKS;
-        } else if(side == QUEENSIDE) {
+
+        else if(side == QUEENSIDE)
             return canCastleQS;
-        } else {
+
+        else
             return false;
-        }
     }
   protected:
     bool canCastleQS = true;