Change zentabs settings category

package.json

@@ -85,7 +85,7 @@
         "c9.ide.ace.split": "#0ae0151c78",
         "c9.ide.ace.statusbar": "#14a992e377",
         "c9.ide.ace.stripws": "#042a9936e3",
-        "c9.ide.behaviors": "#74dedb655b",
+        "c9.ide.behaviors": "#9b8211bccb",
         "c9.ide.closeconfirmation": "#cee4674141",
         "c9.ide.configuration": "#a936df26bb",
         "c9.ide.dialog.wizard": "#7667ec79a8",