Adding the Azimuthal Equidistant projection.
[gen-sat-catalog] Add .gitignore file
[gen-sat-catalog] Add satellite catalog Makefile
[gen-sat-catalog] Clean up gen-sat-catalog code
[gen-sat-catalog] Add Maven to satellite catalog
Revert "[gen-sat-catalog] Add satellite catalog Makefile"

This reverts commit 1fa91bb7ceb993e5d07f769b2f15405fd55fe3c0.
Add a name(), description() and icon() method to
the AbstractProjection class.
Will help to reduce projection code elsewhere.
Add missing AzimuthalEquidistantProjection files.
Remove the superfluous "<" and make it compile again ... :-/
no doxygen comments inside method bodies
use GeoDataCoordinates:isValid() rather than heuristic
simplify
[API change] remove non-const version of RouteRequest::operator[]
port RouteRequest to use GeoDataContainer internally
persistent routing document
debug++
fix crash
add icons
render pixmap via style
route