Venue wizardi

Wireframe:
![wizard](http://www.petri.co.il/images/xp_net_wiz1.jpg)

* [x] Refactor form elements into components
* [x] Style sidebar navigation
* [x] Create missing sections
  * [x] Prices
  * [x] Venue types
  * [x] Event types
  * [x] Venue services
* [x] Wait for route refactor
* [ ] ~~Move sections into separate pages~~