Issue #1207589: Add Cut/Copy/Paste items to IDLE right click Context Menu

 Patch by Todd Rovito.
diff --git a/Lib/idlelib/OutputWindow.py b/Lib/idlelib/OutputWindow.py
index 60d09c0..e18d846 100644
--- a/Lib/idlelib/OutputWindow.py
+++ b/Lib/idlelib/OutputWindow.py
@@ -57,7 +57,11 @@
     # Our own right-button menu
 
     rmenu_specs = [
-        ("Go to file/line", "<<goto-file-line>>"),
+        ("Cut", "<<cut>>", "rmenu_check_cut"),
+        ("Copy", "<<copy>>", "rmenu_check_copy"),
+        ("Paste", "<<paste>>", "rmenu_check_paste"),
+        (None, None, None),
+        ("Go to file/line", "<<goto-file-line>>", None),
     ]
 
     file_line_pats = [