Use Qt default font instead of hardcoded defaults
Merge branch 'master' of git://github.com/gwaldron/osgearth

Conflicts:
	src/osgEarthQt/MultiViewerWidget
	src/osgEarthQt/MultiViewerWidget.cpp
	tests/feature_geom.earth
Added option to set touch sensitivity
Typo in last commit
Type
Add to last commit
Added prettyPrintTime and prettyPrintSize to StringUtils
Added new osgearth_seed2 app to test new caching ideas
Added osgearth_seed2 to CMakeLists
Added FindZeroMQ CMake module
Removed prettyPrintTime and prettyPrintSize from osgearth_seed.
Moved some files out of osgearth_seed2 to their own classes.
Trying to modularize the MultiProcessTileVisitor a bit more.
Added WriteTMSHandler to TileHandler
Added TaskList to TileVisitor.
Added ZMQ stuff to it's own files in the new cache app
Fix conflicts
Merge branch 'master' into topic-multiprocesssseeder

Conflicts:
	src/applications/osgearth_seed/osgearth_seed.cpp
Fix bad merge
Work on actually creating a new cache seeder that works on a whole map
Added ability to select the type of visitor in osgearth_cache2 via the command line.
You can set the concurrency and batch size in the seeder now.
Moved TileKeyListVisitor to TileVisitor in osgEarth.