Use jsbeautify as the default formatter

package.json

@@ -64,7 +64,7 @@
         "c9.ide.language.generic": "#b47cbe58f9",
         "c9.ide.language.html": "#cdc3960225",
         "c9.ide.language.html.diff": "#7d6cecfb90",
-        "c9.ide.language.javascript": "#1cd5f390df",
+        "c9.ide.language.javascript": "#69684ee026",
         "c9.ide.language.javascript.immediate": "#82c426dbca",
         "c9.ide.language.javascript.eslint": "#18b1cee0c5",
         "c9.ide.language.javascript.tern": "#4d53f32c29",
@@ -90,7 +90,7 @@
         "c9.ide.configuration": "#a936df26bb",
         "c9.ide.dialog.wizard": "#7667ec79a8",
         "c9.ide.fontawesome": "#781602c5d8",
-        "c9.ide.format": "#0669419aaf",
+        "c9.ide.format": "#ccf0a5f4a4",
         "c9.ide.help.support": "#fbe8eb5c36",
         "c9.ide.imgeditor": "#612e75ef4f",
         "c9.ide.immediate": "#0b0ee744f9",