Track settings changes.

services/web/public/coffee/ide/settings/services/settings.coffee

@@ -1,19 +1,37 @@
 define [
 	"base"
 ], (App) ->
-	App.factory "settings", ["ide", (ide) ->
+	App.factory "settings", ["ide", "event_tracking", (ide, event_tracking) ->
 		return {
 			saveSettings: (data) ->
+				for key in Object.keys(data)
+					changedSetting = key
+					changedSettingVal = data[key]
+					event_tracking.send "setting-changed", { changedSetting, changedSettingVal }
+
 				data._csrf = window.csrfToken
 				ide.$http.post "/user/settings", data
 
+
 			saveProjectSettings: (data) ->
+				for key in Object.keys(data)
+					changedSetting = key
+					changedSettingVal = data[key]
+					event_tracking.send "project-setting-changed", { changedSetting, changedSettingVal}
+
 				data._csrf = window.csrfToken
 				ide.$http.post "/project/#{ide.project_id}/settings", data
+
 				
 			saveProjectAdminSettings: (data) ->
+				for key in Object.keys(data)
+					changedSetting = key
+					changedSettingVal = data[key]
+					event_tracking.send "project-admin-setting-changed", { changedSetting, changedSettingVal }
+
 				data._csrf = window.csrfToken
 				ide.$http.post "/project/#{ide.project_id}/settings/admin", data
+
 				
 		}
 	]