Character page improvements

![char_details](https://f.cloud.github.com/assets/770655/1112050/e8096a12-19ca-11e3-8419-57e419f2180f.png)

![char_details2](https://f.cloud.github.com/assets/770655/1112067/ea316b22-19cb-11e3-8fae-103171fee134.png)

Bootstrap-ified the character edit page, as well as cleaning up some of the functionality; now we default to the default gravatar token, we load the character edit page when we make a new character, and we load the main map page when we save or cancel.