Corrected the initial paramters of the Volume Rendering demo
Merge pull request #253 from aarbelaiz/volume-rendering-example-fix

Corrected the initial paramters of the Volume Rendering demo
Small fix in example
Merge branch 'master' of https://github.com/x3dom/x3dom
parse geoSystem for ellipsoide code
parse geoSystem for UTM zone
parse geoSystem for UTM hemisphere (north or south)
implemented UTMtoGC by adopting S. Dutch, Uni. W. Green Bay, javascript math
replaced sqrt approx. in GDtoGC with sqrt
Basic IE11 WebGL backend support (also changed gamma default to none)
Merge pull request #255 from andreasplesch/UTM-builtin-support

UTM builtin support
fixes issue #248
WebVis viewer cleanup
Add textureColorBlending.html
Geospatial.js: UTM easting_first support
Geospatial.js: UTM easting_first support2
Merge pull request #259 from andreasplesch/geospatial-work

Geospatial work
fixes issue #260
fix for issue #261
adapted tutorial to changed gamma default