Add plus-circle icons (#1064)

ext/mixed/img/plus-circle-large.svg

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path d="M8 1C4.13993 1 1 4.13993 1 8s3.13993 7 7 7 7-3.13993 7-7-3.13993-7-7-7zM7 5h2v2h2v2H9v2H7V9H5V7h2z" fill="#333"/></svg>

ext/mixed/img/plus-circle-small.svg

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path d="M7.5 5C5.5729 5 4 6.5729 4 8.5S5.5729 12 7.5 12 11 10.4271 11 8.5 9.4271 5 7.5 5zM7 7h1v1h1v1H8v1H7V9H6V8h1z" fill="#333"/></svg>

resources/icons.svg

@@ -28,10 +28,10 @@
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
      inkscape:zoom="45.254834"
-     inkscape:cx="10.082978"
-     inkscape:cy="9.0525289"
+     inkscape:cx="9.6656504"
+     inkscape:cy="8.7711924"
      inkscape:document-units="px"
-     inkscape:current-layer="g1049"
+     inkscape:current-layer="g1933"
      showgrid="true"
      units="px"
      inkscape:snap-center="true"
@@ -513,6 +513,16 @@
        y1="2.6458333"
        x2="0.5291667"
        y2="1.4552083" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient5016"
+       id="linearGradient1976"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="scale(3.7795275,3.7795165)"
+       x1="2.9104166"
+       y1="1.9843808"
+       x2="0.39687499"
+       y2="0.59531248" />
   </defs>
   <metadata
      id="metadata5">
@@ -522,7 +532,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -1436,7 +1446,7 @@
        y="1" />
   </g>
   <g
-     style="display:inline"
+     style="display:none"
      inkscape:groupmode="layer"
      id="g1049"
      inkscape:label="Cross">
@@ -1447,4 +1457,26 @@
        inkscape:connector-curvature="0"
        sodipodi:nodetypes="ccccccccccccc" />
   </g>
+  <g
+     inkscape:groupmode="layer"
+     id="g1907"
+     inkscape:label="Plus Circle Small"
+     style="display:none">
+    <path
+       style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+       d="M 7.5,5 C 5.5729257,5 4,6.5729257 4,8.5 4,10.427074 5.5729257,12 7.5,12 9.4270743,12 11,10.427074 11,8.5 11,6.5729257 9.4270743,5 7.5,5 Z M 7,7 H 8 V 8 H 9 V 9 H 8 v 1 H 7 V 9 H 6 V 8 h 1 z"
+       id="circle1905"
+       inkscape:connector-curvature="0" />
+  </g>
+  <g
+     inkscape:label="Plus Circle Large"
+     id="g1933"
+     inkscape:groupmode="layer"
+     style="display:inline">
+    <path
+       style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#000000;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+       d="M 8,1 C 4.1399291,1 1,4.1399291 1,8 c 0,3.860071 3.1399291,7 7,7 3.860071,0 7,-3.139929 7,-7 C 15,4.1399291 11.860071,1 8,1 Z M 7,5 h 2 v 2 h 2 V 9 H 9 v 2 H 7 V 9 H 5 V 7 h 2 z"
+       id="circle1931"
+       inkscape:connector-curvature="0" />
+  </g>
 </svg>