Add Zenfolio detection (Photo Galleries) (#2250)

* Add Zenfolio detection (Photo Galleries)

* Update Statcounter logo to new svg version and decapitalize 'C'

src/apps.json

@@ -9404,11 +9404,11 @@
       "implies": "Perl",
       "website": "http://metacpan.org/pod/Starlet"
     },
-    "StatCounter": {
+    "Statcounter": {
       "cats": [
         10
       ],
-      "icon": "StatCounter.png",
+      "icon": "Statcounter.svg",
       "js": {
         "_statcounter": "\\;confidence:100",
         "sc_project": "\\;confidence:50",
@@ -11393,6 +11393,16 @@
       "script": "v2\\.zopim\\.com",
       "website": "http://zopim.com"
     },
+    "Zenfolio": {
+      "cats": [
+        7
+      ],
+      "icon": "Zenfolio.png",
+      "js": {
+        "Zenfolio": ""
+      },
+      "website": "https://zenfolio.com"
+    },
     "Zepto": {
       "cats": [
         12

src/icons/Statcounter.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" height="94" width="94" version="1.1" y="0px" x="0px" viewBox="0 0 93.999999 94"><defs><clipPath id="clipPath5011" clipPathUnits="userSpaceOnUse"><path d="m39.867-0.011719a47.764 47.764 0 0 0 -47.764 47.764 47.764 47.764 0 0 0 47.764 47.764 47.764 47.764 0 0 0 47.764 -47.764 47.764 47.764 0 0 0 -47.764 -47.764zm0 34.812a12.952 12.952 0 0 1 12.951 12.952 12.952 12.952 0 0 1 -12.951 12.953 12.952 12.952 0 0 1 -12.951 -12.953 12.952 12.952 0 0 1 12.951 -12.951z" fill="#000000"/></clipPath></defs><g transform="translate(7.203 -0.823)" clip-path="url(#clipPath5011)"><path fill="#76c349" d="m72.623 54.124a33.37 33.37 0 0 1 -18.887 23.98l-13.869-30.351z"/><path d="m57.718 81.944a38.57 38.57 0 0 1 -45.9 -7.716 38.57 38.57 0 0 1 -5.055 -46.269 38.57 38.57 0 0 1 43.15 -17.445l-10.046 37.239z" fill="#0078d3"/><path d="m39.867 5.8728a41.88 41.88 0 0 1 33.442 16.669 41.88 41.88 0 0 1 6.8202 36.738l-40.262-11.527z" fill="#d6e142"/><path fill="#12bdef" d="m39.867 1.0923a46.66 46.66 0 0 1 44.897 33.952l-44.897 12.709z"/></g></svg>