Merge pull request #3215 from nirvn/raster_icons

[gui/hidpi] vectorize raster toolbar icons

Author: nyalldawson

images/images.qrc

@@ -225,7 +225,9 @@
         <file>themes/default/mActionFormAnnotation.svg</file>
         <file>themes/default/mActionFromSelectedFeature.png</file>
         <file>themes/default/mActionFullCumulativeCutStretch.png</file>
+        <file>themes/default/mActionFullCumulativeCutStretch.svg</file>
         <file>themes/default/mActionFullHistogramStretch.png</file>
+        <file>themes/default/mActionFullHistogramStretch.svg</file>
         <file>themes/default/mActionGroupItems.png</file>
         <file>themes/default/mActionHelpAbout.png</file>
         <file>themes/default/mActionHelpAPI.png</file>
@@ -247,7 +249,9 @@
         <file>themes/default/mActionLabeling.png</file>
         <file>themes/default/mActionDiagramProperties.svg</file>
         <file>themes/default/mActionLocalCumulativeCutStretch.png</file>
+        <file>themes/default/mActionLocalCumulativeCutStretch.svg</file>
         <file>themes/default/mActionLocalHistogramStretch.png</file>
+        <file>themes/default/mActionLocalHistogramStretch.svg</file>
         <file>themes/default/mActionLowerItems.png</file>
         <file>themes/default/mActionMapTips.png</file>
         <file>themes/default/mActionMapTips.svg</file>