Bug fix update:
---------------
Fixed compatibility issues with LuaTeX which arised after non-backward-compatible updates to LuaTeX.
Config file:
* Fixed log file warnings when used outside preamble by wrapping \PassOptionsToPackage call into preamble check.
Package:
* Added check if \sa at requestedpage is undefined or empty, which can happen with newer versions of LuaLaTeX.
* Updated page handling to new graphics driver version.
Also fixed the following reported bugs: (see https://bitbucket.org/martin_scharrer/standalone/issues)
* Issue #22: Removed processing of AUX file with \globaldefs.
* Issue #25: Changed how papersize special is added for dvips.
* Issue #26: Adding '-units PixelsPerInch' to 'convert' call so that generated PNGs have correct units parameter.
* Issue #30: Replaced jobname with subjobname in DVIPS precommand.
* Issue #31: Added \makeatother before inputting .sta files so that the subpreamble-changed test works with files
using \makeatletter.
* Issue #40: Corrected order of border option in manual.
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