[RFC] Bootstrap3

@inspiran @iampersistent You can get an idea of how the redesign is coming from the attached screenshots

Related pr's:

https://github.com/vespolina/vespolina-sandbox/pull/97

https://github.com/vespolina/VespolinaCommerceBundle/pull/14

https://github.com/vespolina/VespolinaAdminBundle/pull/4

![screenshot01](https://f.cloud.github.com/assets/1441013/1119116/82d2c3ac-1a6d-11e3-9533-0e4c8f2c69e6.png)

![vespolina-sandbox l app_dev php cart 1](https://f.cloud.github.com/assets/1441013/1119136/f3b28ddc-1a6d-11e3-9f66-15475838ebec.png)