Merge branch 'master' of git://github.com/gwaldron/osgearth
Fix: draped geometry was getting cut off on the edges with the overlay resolution ratio in effect
Merge branch 'master' of github.com:gwaldron/osgearth
Fix error checking in GetGit cmakemodule
Bonehead.
Merge branch 'master' of https://github.com/gwaldron/osgearth
Checking for obviously bad geometries in the GDAL driver.

Fixes issues with shapefiles that have obviously bad data.
Changed ModelLayerNodeMap to use a ref_ptr to avoid issues if the node gets moved around.
OD: fix a clipping bug
Merge branch 'master' of github.com:gwaldron/osgearth
Overlayviewer: add animation path support -p
AnnotationEvents: patch for OSG 3.3.1 build error (UNTESTED)
Merge branch 'master' of https://github.com/ScottBailey/osgearth
Merge branch 'master' of git://github.com/gwaldron/osgearth
Qt 5.2 build changes.  Might break build with 5.1.1?