implemented reorder node
added session refresh
Merge branch 'feature/move-node' of git://github.com/sulu-cmf/sulu into feature/reorder-node
Merge branch 'feature/reorder-node' of git://github.com/sulu-cmf/sulu into feature/reorder-node
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into feature/reorder-node
fixed code style
Merge pull request #179 from sulu-cmf/feature/reorder-node

[FEATURE] Reorder node manually