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

undo config change

simplified RoundToDecimals

happy new year 2018

revamped format.h

reduce main.cpp

simplified Matrix

replaced Origin with default-constructed Vertex

fix paren style

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mercurial