fixed that scaling factors could be negative

added a doublespinbox variant that uses "." as the decimal point and omits trailing zeros

added scaling vector editing into the subfile editing dialog

added vertex rendering

some fixes

fixed vertex cache spontaneously clearing

refactored the quick color toolbar

removed dead code

added a status bar and moved printed messages there

removed dead code

refactor

fixed changing a document not updating its references in other files

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mercurial