Merge pull request #39 from pala/patch-1

empty lines and indentation

@@ -62,8 +62,6 @@
     }
     }
 
 
     _yValueMax = (int)max;
     _yValueMax = (int)max;
-
-
 }
 }
 
 
 -(void)setXLabels:(NSArray *)xLabels
 -(void)setXLabels:(NSArray *)xLabels
@@ -84,7 +82,6 @@
             [self addSubview:label];
             [self addSubview:label];
         }
         }
     }
     }
-
 }
 }
 
 
 -(void)setStrokeColor:(UIColor *)strokeColor
 -(void)setStrokeColor:(UIColor *)strokeColor