Add settings to enable/disable completion

package.json

@@ -66,7 +66,7 @@
         "c9.ide.language.javascript.tern": "#b55d0069bb",
         "c9.ide.language.javascript.infer": "#18acb93a3a",
         "c9.ide.language.jsonalyzer": "#4b329741b1",
-        "c9.ide.language.codeintel": "#84122055ba",
+        "c9.ide.language.codeintel": "#c6741dc41e",
         "c9.ide.collab": "#11a0d3c5ce",
         "c9.ide.local": "#10eb45842a",
         "c9.ide.find": "#e33fbaed2f",
@@ -91,7 +91,7 @@
         "c9.ide.imgeditor": "#612e75ef4f",
         "c9.ide.immediate": "#19758abe08",
         "c9.ide.installer": "#0fde9f0067",
-        "c9.ide.language.python": "#330b80e3b2",
+        "c9.ide.language.python": "#a001e72a4b",
         "c9.ide.language.go": "#6ce1c7a7ef",
         "c9.ide.mount": "#4c39359b87",
         "c9.ide.navigate": "#1fbb7cd53b",