New Theme based on Bootstrap3

[ulrichblock]

We should not rely on long term support of twitter bootstrap 2.3.2. v3 is mobile first while 2.3.2 has added mobile support as optional feature.

• As a first step create a new optional theme bootstrap3
• ensure all forms are aligned. All should have the same with in total and their input forms as well.

[ulrichblock]

Use bootstrap 3 ready theme: http://startbootstrap.com/sb-admin-v2 https://github.com/almasaeed2010/AdminLTE

[ulrichblock]

Admin and Userpanel have been updated.