Tweak visual appearance

- Use color NRW logo
- Map highlighting using NRW colors
- Specify color for visited links

See https://wiki1.hbz-nrw.de/display/SEM/NWBib-Treffen+10.9.2014
Update to customized Bootstrap 3.2, some visual tweaks (see #65)

Bootstrap customization:

http://gist.github.com/anonymous/3956289918adbc585236
http://getbootstrap.com/customize/?id=3956289918adbc585236
Add `bibliographicCitation` information to details view

See https://wiki1.hbz-nrw.de/display/SEM/NWBib-Treffen+10.9.2014
Merge pull request #65 from hbz/colors

Tweak visual appearance
Use `@brand-primary` as `@link-color`, make info box white

Bootstrap customization:

http://gist.github.com/anonymous/5ef18f74adb7f6e8fcdd
http://getbootstrap.com/customize/?id=5ef18f74adb7f6e8fcdd