Another round of splash design

![0 0 0 0_2014-11-20_15-40-38](https://cloud.githubusercontent.com/assets/514785/5126222/bb5ae3b6-70cb-11e4-8fe9-073777c314c9.png)

Please also add here 
``` flash[:error] = "Update venue failed: #{@venue.errors.full_messages.join('. ')}." ```