Modify icons color

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

rtdata/icons/rawtherapee/scalable/apps/power-off-small.svg

@@ -1,57 +1,15 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <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="16"
    height="16"
    viewBox="0 0 16 16"
    version="1.1"
    id="SVGRoot"
-   inkscape:export-filename="/tmp/template.png"
-   inkscape:export-xdpi="96"
-   inkscape:export-ydpi="96"
-   inkscape:version="1.0.1 (3bc2e813f5, 2020-09-07)"
-   sodipodi:docname="power-off-small.svg">
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#E0E1E2"
-     bordercolor="#666768"
-     borderopacity="1.0"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="48.806956"
-     inkscape:cx="7.6926668"
-     inkscape:cy="8.0255665"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="true"
-     inkscape:window-width="3440"
-     inkscape:window-height="1387"
-     inkscape:window-x="3832"
-     inkscape:window-y="-8"
-     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="false"
-     inkscape:snap-grids="true"
-     inkscape:snap-bbox-midpoints="false"
-     inkscape:document-rotation="0">
-    <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
@@ -62,7 +20,7 @@
         <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>
@@ -96,18 +54,14 @@
   </metadata>
   <g
      id="layer1"
-     inkscape:groupmode="layer"
-     inkscape:label="Layer 1"
      transform="translate(0,-8)">
     <path
-       style="display:inline;opacity:0.5;fill:none;fill-opacity:0.752941;fill-rule:nonzero;stroke:#2a7fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:normal"
+       style="display:inline;opacity:0.5;fill:none;fill-opacity:0.752941;fill-rule:nonzero;stroke:#cccccc;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1.0;paint-order:normal"
        d="m 11.030908,13.501206 a 4.3252046,4.3407218 0 0 1 1.294297,3.096681 v 0 A 4.3252046,4.3407218 0 0 1 8,20.938608 4.3252046,4.3407218 0 0 1 3.6747954,16.597887 4.3252046,4.3407218 0 0 1 4.9720116,13.498331"
-       id="path5608"
-       inkscape:connector-curvature="0" />
+       id="path5608" />
     <path
-       style="opacity:0.5;fill:none;fill-rule:evenodd;stroke:#2a7fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:normal"
+       style="opacity:0.5;fill:none;fill-rule:evenodd;stroke:#cccccc;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1.0;paint-order:normal"
        d="m 7.9999995,11.259782 v 3.39629"
-       id="path2553"
-       inkscape:connector-curvature="0" />
+       id="path2553" />
   </g>
 </svg>