Added a few CLSCompliant attributes needed

svn path=/trunk/mcs/; revision=16362

mcs/class/System.Drawing/System.Drawing.Imaging/ColorMatrix.cs

@@ -19,6 +19,7 @@ namespace System.Drawing.Imaging {
 		}
 		
 		[MonoTODO]
+		[CLSCompliant(false)]
 		public ColorMatrix(float[][] newColorMatrix) {
 			throw new NotImplementedException ();
 		}

mcs/class/System.Drawing/System.Drawing.Imaging/ImageCodecInfo.cs

@@ -128,6 +128,7 @@ namespace System.Drawing.Imaging {
 		}
 
 		[MonoTODO]
+		[CLSCompliant(false)]
 		//[ComVisible(false)]
 		public byte[][] SignatureMasks {
 			get { return signatureMasks; }
@@ -135,6 +136,7 @@ namespace System.Drawing.Imaging {
 		}
 
 		[MonoTODO]
+		[CLSCompliant(false)]
 		//[ComVisible(false)]
 		public byte[][] SignaturePatterns {
 			get { return signaturePatterns; }