canviz.js: Get rid of Canviz.systemScale variable. Since it was only ever used in combination with Canviz.scale, and only in Canviz.draw(), it has been replaced with local variable ctx_scale which is a combination of scale and what systemScale was.
canviz.js: Get rid of Canviz.systemScale variable. Since it was only ever used in combination with Canviz.scale, and only in Canviz.draw(), it has been replaced with local variable ctx_scale which is a combination of scale and what systemScale was.


git-svn-id: d236aa11b63010c45751038f21095274a1190d52@181 96afbf3d-d051-0410-af9b-0f47d9322047

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