Fix warning.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1072 79a1b648-8b68-254f-b20b-c0b50f5137bf
Work around Mavericks problems with gluProject, gluUnProject, gluErrorString.  Still some image functions giving warnings...

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1073 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix rgl.projection for new par3d("model") definition

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1074 79a1b648-8b68-254f-b20b-c0b50f5137bf
Give default for older versions

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1075 79a1b648-8b68-254f-b20b-c0b50f5137bf
Missed commit earlier

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1076 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fewer Mavericks errors (but still some left...)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1077 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix texture settings.
Finish Mavericks warnings.
Contains problem with placement of text!

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1078 79a1b648-8b68-254f-b20b-c0b50f5137bf
Silly error in glu replacements

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1079 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix silly error in glu replacements

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1080 79a1b648-8b68-254f-b20b-c0b50f5137bf
Remove Mavericks warnings, fix material3d texture properties

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1081 79a1b648-8b68-254f-b20b-c0b50f5137bf
Improve behaviour of subscene lists.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1082 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fiddling with clearSubsceneList

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1083 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix scene3d to support subscenes

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1084 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix some clipplanes attribute bugs.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1085 79a1b648-8b68-254f-b20b-c0b50f5137bf
Clean up getting of background and bboxdeco attributes -- not tested yet

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1086 79a1b648-8b68-254f-b20b-c0b50f5137bf
Big reorg:  the scene owns everything.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1087 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix warnings about unused code

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1088 79a1b648-8b68-254f-b20b-c0b50f5137bf
Fix handling of backgrounds.  Still need viewpoint fixes??

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1089 79a1b648-8b68-254f-b20b-c0b50f5137bf
Some more bugs regarding the background...

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1090 79a1b648-8b68-254f-b20b-c0b50f5137bf
Change 1:n (etc.) to seq_len(n)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1091 79a1b648-8b68-254f-b20b-c0b50f5137bf