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
Fix #383 wireframe mode not working on compiled geometry
use tileSource->hasData() to check if tileSource has data for the requested key. Add tileSource->hasDataForFallback() for cases when fallback data is requested
use /tmp directory for log file on Non-Win32 platforms
use #ifdef instead of #if
output error from GDAL when dataset open fails
use bounding sphere variable
add options to specify a loading priority for the models. this can be used to tell the database pager to prioritize certain model layers and adjust the order in which the models are loaded.
Merge pull request #395 from aroth-fastprotect/topic-loadpriority

add loading priority to simple model driver
Merge pull request #393 from aroth-fastprotect/topic-compile-cleanup

some minor fixes and improvements
Rebuilt the BuildGeometryFilter, moved the lighting/helpers into MapNode, and reworked the ShaderGenerator for better inheritance
Add ShaderGenerator::setProgramName
Merge branch 'master' of github.com:gwaldron/osgearth
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