Modify icons color

- Update icon from color "2a7fff" to "cccccc"
- Update .svg files with last Inkscape version

rtdata/icons/rawtherapee/scalable/apps/star-gold-hollow-narrow.svg

@@ -2,64 +2,16 @@
 <!-- Created with Inkscape (http://www.inkscape.org/) -->
 
 <svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
    width="10"
    height="16"
    viewBox="0 0 10 16"
    version="1.1"
    id="SVGRoot"
-   inkscape:export-filename="/tmp/template.png"
-   inkscape:export-xdpi="96"
-   inkscape:export-ydpi="96"
-   inkscape:version="0.92.2 2405546, 2018-03-11"
-   sodipodi:docname="star-gold-hollow-narrow.svg">
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#E0E1E2"
-     bordercolor="#666768"
-     borderopacity="1.0"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="50.625"
-     inkscape:cx="5"
-     inkscape:cy="8"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="true"
-     inkscape:window-width="1920"
-     inkscape:window-height="1019"
-     inkscape:window-x="0"
-     inkscape:window-y="0"
-     inkscape:window-maximized="1"
-     inkscape:grid-bbox="true"
-     inkscape:pagecheckerboard="false"
-     inkscape:snap-bbox="true"
-     inkscape:bbox-nodes="true"
-     inkscape:snap-others="false"
-     inkscape:object-nodes="true"
-     inkscape:snap-grids="true"
-     inkscape:snap-bbox-midpoints="false"
-     inkscape:snap-bbox-edge-midpoints="false"
-     inkscape:object-paths="false"
-     inkscape:snap-intersection-paths="false"
-     inkscape:snap-smooth-nodes="true"
-     inkscape:snap-nodes="false"
-     inkscape:snap-midpoints="false"
-     inkscape:snap-global="true">
-    <inkscape:grid
-       type="xygrid"
-       id="grid1374"
-       originx="1"
-       originy="1"
-       empspacing="7"
-       dotted="false" />
-  </sodipodi:namedview>
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
   <defs
      id="defs815" />
   <metadata
@@ -70,7 +22,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
         <dc:creator>
           <cc:Agent>
             <dc:title>Maciej Dworak</dc:title>
@@ -104,25 +56,11 @@
   </metadata>
   <g
      id="layer1"
-     inkscape:groupmode="layer"
-     inkscape:label="Layer 1"
      transform="translate(0,-8)">
     <path
-       sodipodi:type="star"
-       style="opacity:0.7;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#ff9900;stroke-width:1.67633033;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:normal"
+       style="opacity:0.7;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#ff9900;stroke-width:1.67633033;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1.0;paint-order:normal"
        id="path2081"
-       sodipodi:sides="5"
-       sodipodi:cx="8"
-       sodipodi:cy="16"
-       sodipodi:r1="6"
-       sodipodi:r2="3"
-       sodipodi:arg1="0"
-       sodipodi:arg2="0.62831853"
-       inkscape:flatsided="false"
-       inkscape:rounded="0"
-       inkscape:randomized="0"
        d="M 14,16 10.427051,17.763356 9.854102,21.706339 7.072949,18.85317 3.145898,19.526712 5,16 3.145898,12.473288 l 3.927051,0.673542 2.781153,-2.853169 0.572949,3.942983 z"
-       transform="matrix(0.56919272,-0.18374267,0.18494192,0.56550181,-2.5126125,8.8701237)"
-       inkscape:transform-center-y="-0.34067766" />
+       transform="matrix(0.56919272,-0.18374267,0.18494192,0.56550181,-2.5126125,8.8701237)" />
   </g>
 </svg>