Fixed install state.

client/coral-admin/src/actions/install.js

@@ -95,10 +95,10 @@ const checkInstallFailure = error => ({type: actions.CHECK_INSTALL_FAILURE, erro
 
 export const checkInstall = next => dispatch => {
   dispatch(checkInstallRequest());
-  coralApi('/setup/available')
-    .then(({available}) => {
-      dispatch(checkInstallSuccess(available));
-      if (!available) {
+  coralApi('/setup')
+    .then(({installed}) => {
+      dispatch(checkInstallSuccess(installed));
+      if (installed) {
         next();
       }
     })

client/coral-admin/src/reducers/install.js

@@ -84,7 +84,7 @@ export default function install (state = initialState, action) {
       });
   case actions.CHECK_INSTALL_SUCCESS:
     return state
-      .set('alreadyInstalled', !action.available);
+      .set('alreadyInstalled', action.installed);
   default :
     return state;
   }

routes/api/setup/index.js

@@ -4,14 +4,14 @@ const SetupService = require('../../../services/setup');
 
 const router = express.Router();
 
-router.get('/available', (req, res, next) => {
+router.get('/', (req, res, next) => {
   SetupService
     .isAvailable()
     .then(() => {
-      res.json({available: true});
+      res.json({installed: false});
     })
     .catch(() => {
-      res.json({available: false});
+      res.json({installed: true});
     });
 });