Log Message:
Updated graphics/gnuplot to 5.0.5
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Changes in 5.0.5
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* NEW allow filename completion for system commands and pipes (backport from 5.1)
* NEW option to plot "with labels ... {rotate variable}"
* NEW command "set minussign"
* NEW stats command "name" option now accepts "columnheader" \ 
or "columnheader(N)"
* NEW command option "set colorbox invert"
* CHANGE qt terminal force selection of outline font rather than bitmap font
* CHANGE post terminal simplex/duplex output depends on PostScript level setting
* CHANGE improved autoscaling of plot "with boxes"
* CHANGE qt terminal sets TERM_POLYGON_PIXELS to avoid aliasing artifacts
* CHANGE all stats and fit commands skip header records if "autotitle \ 
columnhead"
* FIX Do not confuse EOF with 8-bit character 0x177 (E.g. in Cyrillic encodings).
* FIX use blank line rather than 'u' flag in "set table" output of \ 
smoothed data
* FIX order dependence of "fillcolor" keyword in plot commands
* FIX svg - better vertical justification of rotated text
* FIX wxt - file export widget correctly handles inactive plots
* FIX epslatex - reset linetype between plots (needed if plotted "notitle")
* FIX qt - leading or trailing whitespace in enhanced text was being ignored
* FIX regression in rendering 'plot ... matrix every ... with image'