Rework the LoadingScreen and HBusyIndicator

src/icons/light-thin/loader.svg

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created using Krita: http://krita.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="18pt"
+   height="18pt"
+   viewBox="0 0 18 18"
+   version="1.1"
+   id="svg1304"
+   sodipodi:docname="loader.svg"
+   inkscape:version="">
+  <metadata
+     id="metadata1308">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview1306"
+     showgrid="false"
+     inkscape:snap-object-midpoints="true"
+     inkscape:snap-center="true"
+     inkscape:snap-text-baseline="true"
+     inkscape:snap-page="true"
+     showguides="true"
+     inkscape:guide-bbox="true"
+     inkscape:zoom="22.627417"
+     inkscape:cx="4.9912351"
+     inkscape:cy="12.313093"
+     inkscape:current-layer="svg1304">
+    <sodipodi:guide
+       position="16.125,8.9765625"
+       orientation="0,1"
+       id="guide1316"
+       inkscape:locked="false" />
+    <sodipodi:guide
+       position="9,16.382812"
+       orientation="1,0"
+       id="guide1318"
+       inkscape:locked="false" />
+  </sodipodi:namedview>
+  <defs
+     id="defs1301" />
+  <path
+     id="shape0"
+     d="M 9,0.07593943 C 4.0716875,0.07593943 0.07593943,4.0716875 0.07593943,9 c 0,4.928312 3.99574807,8.924061 8.92406057,8.924061 4.928312,0 8.924061,-3.995749 8.924061,-8.924061 C 17.924061,4.0716875 13.928312,0.07593943 9,0.07593943 Z"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:0.15800691;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.11764706"
+     sodipodi:nodetypes="sssss" />
+  <path
+     style="fill:none;stroke:#000000;stroke-width:0.15;stroke-linecap:square;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.8669725"
+     d="M 12,0.1015625 C 5.4289167,0.1015625 0.1015625,5.4289167 0.1015625,12 0.1015625,18.571083 5.4289167,23.898437 12,23.898438"
+     transform="scale(0.75)"
+     id="path1310"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="csc" />
+</svg>