Added commentaries to all new initialize methods.

Also moved the commentaries in SFML::Window from the Window_New function to Window_Initialize.

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1746 4e206d99-4929-0410-ac5d-dfc041789085

bindings/ruby/sfml-graphics/graphics/Shader.cpp

@@ -215,7 +215,14 @@ static VALUE Shader_Unbind( VALUE self )
 	return Qnil;
 }
 
-
+/* call-seq:
+ *   Shader.new()			-> shader
+ *   Shader.new( filename )	-> shader
+ *
+ * Will create a new shader instance.
+ * 
+ * If a filename argument is specified then shader#loadFromFile will be called on the created instance.
+ */
 static VALUE Shader_Initialize( int argc, VALUE *args, VALUE self )
 {
 	if( argc > 0 )