Relocate history notice

Moves the history notice above the header, and a little refactoring to use the same partial for the division and policy history notices.

A little drab in grey, a light blue might be nicer, and then a bright blue it there's an edit in the last day maybe? next iteration.

![screen shot 2014-10-07 at 3 56 24 pm](https://cloud.githubusercontent.com/assets/1239550/4537534/a67fc07a-4dde-11e4-9f3e-269636d3276f.png)
![screen shot 2014-10-07 at 3 56 08 pm](https://cloud.githubusercontent.com/assets/1239550/4537533/a67c3dec-4dde-11e4-9bf0-fce020285e75.png)
![screen shot 2014-10-07 at 3 56 57 pm](https://cloud.githubusercontent.com/assets/1239550/4537535/a9008d52-4dde-11e4-955d-95fad6e696bf.png)
![screen shot 2014-10-07 at 3 56 53 pm](https://cloud.githubusercontent.com/assets/1239550/4537536/a90d235a-4dde-11e4-92a8-84c8cd47c55b.png)
![screen shot 2014-10-07 at 3 56 39 pm](https://cloud.githubusercontent.com/assets/1239550/4537537/a9300fe6-4dde-11e4-9f80-8168ce26d5f9.png)


closes #640