APPSTATE refactoring:

- Make index.html cacheable by being stateless
- Improve compression (base64 doesn't gzip well)
- Remove base64 encoding/decoding step
- Make AppState injectable so it can be unit tested
- Ready to remove the global leakage

lib/roles/app.js

@@ -107,14 +107,31 @@ module.exports = function(options) {
   app.use(validator())
 
   app.get('/', function(req, res) {
-    res.render('index', {
-      APPSTATE: {
+    res.render('index')
+  })
+
+  app.get('/api/v1/appstate.js', function(req, res) {
+    res.type('application/javascript')
+    res.send('var GLOBAL_APPSTATE = ' + JSON.stringify({
         config: {
           websocketUrl: options.websocketUrl
         }
-      , user: req.user
-      }
-    })
+        , user: req.user
+      })
+    )
+  })
+
+  app.get('/api/v1/angular-appstate.js', function(req, res) {
+    res.type('application/javascript')
+    res.send('angular.module("stf.app-state")' +
+      '.config(function(AppState){AppState.set(' +
+      JSON.stringify({
+        config: {
+          websocketUrl: options.websocketUrl
+        }
+        , user: req.user
+      }) +
+      ')})')
   })
 
   app.get('/api/v1/app/user', function(req, res) {