Shared axis from the command line

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Smarter ASCII reader:
  should be able to use huristics to get information about
  the ascii file.
    (eg, is it a CSV?  Does it have a field name header?)
  these should be used only for new files, and should be used to sed the defaults, which can still be changed with 'configure'.

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Fixup line/arrow dimensions tab:
  x,y instead of length/angle

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Edit multiple for other view objects (arrow, line, label...)

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1.x kst file read compatibility...

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Thread kst2

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When you have many plots on a window (like 35), and the numbers in
the axis labels are large, they often overwrite each other (so you can't
tell any of the numbers apart).  

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in <ctrl> or <shift> zoom modes the line cursor should appear in all tied plots.

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Some automagic way of deciding if plugin dialogs can make plots.

