DevKit updates - Prepare release (#171)

* DevKit updates

* use stable testing version

Author: ElectricMaxxx

.travis.yml

@@ -27,7 +27,6 @@ env:
     - TEST_INSTALLATION=false
     - LANG=php
     - NODE_RELEASE=6.x
-    - STABILITY=dev
 
 matrix:
   include:

README.md

@@ -28,7 +28,7 @@ The TreeBrowserBundle provides tree navigation for the Content Repository.
 
 For the install guide and reference, see:
 
-* [symfony-cmf/tree-browser-bundle Documentation](http://symfony.com/doc/master/cmf/bundles/tree_browser/index.html)
+* [symfony-cmf/tree-browser-bundle Documentation](http://symfony.com/doc/master/cmf/bundle/tree-browser-bundle/index.html)
 
 See also:
 

composer.json

@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "symfony/form": "^2.8 || ^3.3 || ^4.0",
-        "symfony-cmf/testing": "^2.1@dev",
+        "symfony-cmf/testing": "^2.1.8",
         "symfony/phpunit-bridge": "^3.3 || ^4.0"
     },
     "autoload": {