Changed CMake files and #includes to allow Qt5 while still being backwards compatible with Qt4. Add Qt5 (qtbase) directory to CMAKE_PREFIX_PATH to use Qt5.
Qt5OpenGL includes were not included correctly
V8 javascript engine update, intermediate commit #1 (broken)
Merge branch 'master' of git://github.com/gwaldron/osgearth
use tileSource->hasData() to check if tileSource has data for the requested key. Add tileSource->hasDataForFallback() for cases when fallback data is requested
Merge pull request #392 from aroth-fastprotect/topic-imagelayer-dataextents

use tileSource->hasData()
Fix: LODBlending not working with min/max levels or opacity
Merge branch 'master' of github.com:gwaldron/osgearth
Fix #396 missing rooftop textures
Fix #388 rasterizing driver drawing the wrong shape types
Fix #397 polygonized outlines not rendering properly
Fix the feature_models.earth demo to show off auto-scaling
Fix: polygon holes not being lined
Fix: terrain lighting property not working
Fix: picking doesn't work if feature indexing is enabled; solution is to disable mesh optimization when feature index is enabled
Picker: set default limit mode to NEAREST; set Z thickness in PrimitiveIntersector for better pick behavior
Fix gcc compile error, and some format/comments
Fixed TMSPackager to use hasData instead of hasDataAtLOD to determine if subdivision needs to occur.
Merge branch 'master' of https://github.com/gwaldron/osgearth
Fix: add current node to lighting uniform helper consideration; change default overlay resolution ratio to 3.0