Modify icons color

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

rtdata/icons/rawtherapee/scalable/apps/wb-water-small.svg

@@ -2,57 +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="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="0.92.2 2405546, 2018-03-11"
-   sodipodi:docname="wb-water-small.svg">
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#E0E1E2"
-     bordercolor="#666768"
-     borderopacity="1.0"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="18.163805"
-     inkscape:cx="11.598077"
-     inkscape:cy="8.2047335"
-     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="false"
-     inkscape:snap-grids="true"
-     inkscape:snap-bbox-midpoints="false">
-    <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
@@ -63,7 +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>
@@ -97,8 +56,6 @@
   </metadata>
   <g
      id="layer1"
-     inkscape:groupmode="layer"
-     inkscape:label="Layer 1"
      transform="translate(0,-8)">
     <g
        id="g374"
@@ -107,11 +64,9 @@
          transform="matrix(0.022,0,0,0.022,11.802,13.76)"
          id="g828">
         <path
-           sodipodi:nodetypes="cacccccccccccccccccccc"
-           inkscape:connector-curvature="0"
            id="path5961"
            d="m -228.84059,-340.40844 c -45.70045,-41.85642 -115.36787,-52.34359 -172.90544,-38.93823 -37.24291,8.67702 -86.90968,33.43278 -89.25397,72.07394 V 420 H 509 v -727.27273 c -38.36253,20.26983 -87.69493,28.18525 -109.75649,-10.88902 -30.40673,-48.15938 -90.34247,-73.05976 -145.71555,-58.59697 -86.57799,23.94708 -161.715859,76.70817 -246.633022,105.61153 -47.216669,14.92128 -99.322041,41.56555 -149.120768,23.35408 -36.62409,-22.34376 -51.42502,-67.77862 -86.61476,-92.61533 z m -133.69066,235.37719 C -218.27273,-80 -240.2885,-2.1271869 -163.98581,19.947758 -107.14114,32.48171 -73.206336,-25.382144 -26.826583,-45.918179 64.271334,-90.419775 173.31273,-86.649194 268.16107,-55.884604 332.16168,-33.887094 388.05703,10.0792 424.78125,66.89936 362.18129,157.36748 255.22399,211.33184 145.95649,214.40551 104.16432,220.09232 67.090733,194.31122 27.690365,184.57376 -37.529519,164.53697 -100.50546,134.13125 -168.26512,124.01648 c -61.03239,59.63332 -133.74765,95.15403 -190.79945,111.07682 19.30049,-54.53325 44.33067,-110.12793 45.98134,-168.474212 -7.51111,-59.6368813 -32.86106,-114.464659 -49.44802,-171.650338 z"
-           style="display:inline;opacity:0.7;fill:#2a7fff;fill-opacity:1;stroke:none" />
+           style="display:inline;opacity:0.7;fill:#cccccc;fill-opacity:1.0;stroke:none" />
       </g>
     </g>
   </g>