Adjust MapQuest routing backend queries to new API version.

Why redirect clients to the new, backward compatible API when you
can send a 404? Changing v0 to v1 with mod_rewrite is rocket science
after all.
fix: focus on file passed via command line

* if multiple files are passed, Marble now focuses on the combined bbox of all files

BUG: 323673
only focus on bbox if it is not empty
fix: Qt-only version now focuses on files passed via commandline, too

CCBUG: 323673
load multiple files in one instance

A freedesktop.org-compliant file manager would create 20 Marble instances if 20 files were selected for loading in Marble.
The new behavior is to create just one instance where the 20 files are loaded.

REVIEW: 112165
SVN_SILENT made messages (.desktop file)
MarbleRunnerManager.cpp: Fix mingw64 compiler error

Cast to (quintptr) instead of (long) in debug messages.
Fix polyline decoding.

CCBUG: 323772
factor out dedicated executable for mobile devices
offline by default
FindQtMobility with components
QSystemInfo