Change Title background to red when requirements are not met

Another attempt at solving: [Title character requirements not very visible](http://meta.discourse.org/t/title-character-requirements-not-very-visible/5542/17)

As per @SamSaffron's last comment, this will **only** *redify* the background of the `title` field whenever requirements are not met:

![image](https://f.cloud.github.com/assets/362783/338469/11032d0c-9d13-11e2-980b-44b3ec6bca12.png)