disable lighting in the selection scene

moved matrix calculations, added inverted normals for BFC back sides

BFC INVERTNEXT objects are no longer individual objects

removed GL_POLYGON_SMOOTH because it causes artifacts

made GLCamera a non-QObject

remove GL_POLYGON_SMOOTH because it causes rendering artifacts

renderer rework

begin rendering rework

encoded division slash

added support for circular 8/-primitives

simplify

add support for 8/ in part downloader

drop Qt4 support

simplify

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mercurial