Booking modal display

enhancement: https://github.com/TheProductWorks/smart_client/issues/65

![screen shot 2014-10-03 at 22 10 55](https://cloud.githubusercontent.com/assets/1273059/4512549/cc772f4c-4b41-11e4-90dc-43b2dba31ba9.png)
![screen shot 2014-10-03 at 22 10 50](https://cloud.githubusercontent.com/assets/1273059/4512550/cc92e746-4b41-11e4-8744-920826bab182.png)