[longomatch] Override ToString() in some more places

[Andoni Morales Alastruey <amorales src gnome org>]

commit f7247234484cace41f3e357f5e61beb582c5d4a8
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Thu Apr 23 13:47:18 2015 +0200

    Override ToString() in some more places

 LongoMatch.Core/Common/Area.cs        |    2 +-
 LongoMatch.Core/Store/CameraConfig.cs |    5 +++++
 LongoMatch.Core/Store/MediaFile.cs    |    9 +++++++--
 3 files changed, 13 insertions(+), 3 deletions(-)
---
diff --git a/LongoMatch.Core/Common/Area.cs b/LongoMatch.Core/Common/Area.cs
index 07023d4..a946548 100644
--- a/LongoMatch.Core/Common/Area.cs
+++ b/LongoMatch.Core/Common/Area.cs
@@ -190,7 +190,7 @@ namespace LongoMatch.Core.Common
 
                public override string ToString ()
                {
-                       return string.Format ("[Area: Start={0}, Width={1}, Height={2}]", Start, Width, 
Height);
+                       return string.Format ("{0}-{1} {2}x{3}", Start.X, Start.Y, Width, Height);
                }
        }
 }
diff --git a/LongoMatch.Core/Store/CameraConfig.cs b/LongoMatch.Core/Store/CameraConfig.cs
index 5fca0ba..a109420 100644
--- a/LongoMatch.Core/Store/CameraConfig.cs
+++ b/LongoMatch.Core/Store/CameraConfig.cs
@@ -84,6 +84,11 @@ namespace LongoMatch.Core.Store
                {
                        return !(c1 == c2);
                }
+
+               public override string ToString ()
+               {
+                       return string.Format ("{0}, {1}", Index, RegionOfInterest);
+               }
        }
 }
 
diff --git a/LongoMatch.Core/Store/MediaFile.cs b/LongoMatch.Core/Store/MediaFile.cs
index 1c75fc7..52d4905 100644
--- a/LongoMatch.Core/Store/MediaFile.cs
+++ b/LongoMatch.Core/Store/MediaFile.cs
@@ -18,7 +18,7 @@
 //
 //
 using System;
-using Mono.Unix;
+using System.IO;
 using LongoMatch.Core.Common;
 using Newtonsoft.Json;
 
@@ -139,9 +139,14 @@ namespace LongoMatch.Core.Store
                        }
                }
 
+               public override string ToString ()
+               {
+                       return string.Format ("{0} {1}", Path.GetFileName (FilePath), ShortDescription);
+               }
+
                public bool Exists ()
                {
-                       return System.IO.File.Exists (FilePath);
+                       return File.Exists (FilePath);
                }
        }
 }