SVN_SILENT made messages (after extraction)
include cleanup
simplify
support for GPX tracks in elevation profile float item

Changes to the elevation profile plugin, it's now possible to display the height profile for a GPX-track opened from file.

REVIEW: 109379
marbleModel can be null
don't emit signal twice
const'ify
no need to hold a MarbleModel
cleanup
instantiate as value
fix crash when GPX track loaded but not selected and elevation profile marker got hidden
only consider tracks with at least two coordinates
add a "guidanceModeEnabled" property
[API change] remove autoNavigation from RoutingManager as stated in the comments
fix typo in slot connection introduced in b1c64e92b1008f9b0cdd47e437339a982a73c554
PositionTracking
merge methods
move exportGpx() from RoutingModel to RoutingManager
move rightNeighbor() from RoutingModel to RouteRequest
RoutingModel: don't pass a MarbleModel