Stock locations edit page design fix

The stock location edit page recently suffered some misfortune when #5404 was merged. I took the time to give it a revamp in design when it had only twelve columns to work with, not sixteen.

I also added data hooks as well for the fields so that developers can effectively deface it.

Before:

![screen shot 2014-10-24 at 3 38 40 am](https://cloud.githubusercontent.com/assets/3117356/4768423/f3348fca-5b69-11e4-8a51-566e2738465e.png)

After:

![screen shot 2014-10-24 at 3 38 01 am](https://cloud.githubusercontent.com/assets/3117356/4768419/df401606-5b69-11e4-8207-1c3cc03e29bf.png)