Add popup menu function "Export as Graphic" to charts to export
the chart as a graphic. Currently it works only with raster formats
like PNG and JPG but not with vector formats like SVG.

Change-Id: Ieeda21ff971f2ad31bab2248e8b509883b5cbcd0

Change-Id: I445173e8f469c409801d803ef22cb499935ba19b

Change-Id: I0e9895ca59fa75958107df2cbf4348214df52664

over time, unscrupulous committers allow intenpestive tab and
trailling spaces to creep in.

This cleans them up.

Change-Id: Ia9134599cdf58462bb4231e88362d4ff00ab45ab

On MacOSX libconftest[12].dylib.dSYM directories where left over
after a test to determine visibility support
use a wider net to clean-up work files

Change-Id: Ie3695c08a5a22dbb1e5a194f8dc1bc6120c8e8c2

Change-Id: I058d673552280616adaaf1b71036ee89ba34bb13

regression from e125d95b

Change-Id: I0deeb042c60d3f7d556286a0956bb4866e1c203b

This reverts commit 3fc40953.

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