[longomatch] Add + and - operators for Point

[Andoni Morales Alastruey <amorales src gnome org>]

commit 5e7daf4a8572ac13a5a4c5818593bc305bb017ff
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Tue May 27 18:42:53 2014 +0200

    Add + and - operators for Point

 LongoMatch.Core/Store/Point.cs |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch.Core/Store/Point.cs b/LongoMatch.Core/Store/Point.cs
index 7871336..b7ad06f 100644
--- a/LongoMatch.Core/Store/Point.cs
+++ b/LongoMatch.Core/Store/Point.cs
@@ -79,5 +79,13 @@ namespace LongoMatch.Common
                public static bool operator > (Point p1, Point p2) {
                        return p1.X > p2.X && p1.Y > p2.Y;
                }
+               
+               public static Point operator + (Point p1, Point p2) {
+                       return new Point (p1.X + p2.X, p1.Y + p2.Y);
+               }
+               
+               public static Point operator - (Point p1, Point p2) {
+                       return new Point (p1.X - p2.X, p1.Y - p2.Y);
+               }
        }
 }