new icons for sharing in the stylemanager dialog

Author: slarosa

images/images.qrc

@@ -274,6 +274,9 @@
         <file>themes/default/mActionSelectRadius.svg</file>
         <file>themes/default/mActionSelectRectangle.svg</file>
         <file>themes/default/mActionSetProjection.svg</file>
+        <file>themes/default/mActionSharing.svg</file>
+        <file>themes/default/mActionSharingExport.svg</file>
+        <file>themes/default/mActionSharingImport.svg</file>
         <file>themes/default/mActionShowAllLayers.png</file>
         <file>themes/default/mActionShowAllLayers.svg</file>
         <file>themes/default/mActionShowBookmarks.png</file>