replace minidetector with django-mobile (closes issue #36)

Adds an additional dependency on django-mobile, can be installed using pip.
replace django-locale with internal locale URL prefixing

needs Django 1.4
Localisation updates from http://translatewiki.net.
Localisation updates from http://translatewiki.net.
Localisation updates from http://translatewiki.net.
fix markdown links
switch to CSS styling for mobile

Support for three styles: desktop, small-portrait, small-landscape.
Orthogonally to that there is support for mobile devices (touch functions,
geolocation etc.) Use template inheritance to generalize between doc
view and map view.

Map view styling finished, still needs functionality in mobile part.
use base template for docpage
fix search box alignment in desktop style
fix docpage for iphone
replace default OL styles with JQuery mobile style and unify route button
switch completely to a JQuery mobile theme
replace settings buttons with icons
redesigned route info view
restyled search form incl. mobile version
add settings dialog
Localisation updates from http://translatewiki.net.
make route info sections expandable
make route window header fixed
further visual tweaks