Update Kovan logos

src/components/Loading/kovan.svg

@@ -1,3 +1,3 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 38 26">
-    <path fill="#FFF" fill-rule="evenodd" d="M36.528 20H24.272c-.167 0-.334-.028-.499-.068l.018.068h-5.287l-1.607-5.969H.969A.96.96 0 0 1 0 13.078c0-.005.003-.01.003-.016H0V5.906C0 4.853.86 4 1.922 4l.016.002V4h30.275c1.061 0 2.153.855 2.437 1.91l3.285 12.18c.285 1.055-.345 1.91-1.407 1.91zM7.723 6.866H3.361l1.169 4.298h4.362L7.723 6.866zm7.209 0h-4.361l1.169 4.298h4.361l-1.169-4.298zm11.743 10.985h1.923l-.517-1.911h-1.922l.516 1.911zm5.201-10.985h-8.17l2.194 8.119h8.171l-2.195-8.119zm2.453 9.074h-1.922l.516 1.911h1.923l-.517-1.911zm-33.61.047v-.05h12.969v.003h1.557L16.342 20H1.938v-.002L1.922 20A1.914 1.914 0 0 1 0 18.094v-1.188h.005c0-.006-.005-.01-.005-.015 0-.439.308-.793.719-.904z"/>
+<svg xmlns="http://www.w3.org/2000/svg" width="127" height="150">
+    <path fill="#FFF" fill-rule="evenodd" d="M99.219 134.21l11.906 11.842V150h-95.25v-3.948l11.906-11.842C12.7 134.21 0 121.579 0 106.579v-75C0 3.948 28.575 0 63.5 0S127 3.948 127 31.579v75c0 15-12.7 27.631-27.781 27.631zM28.5 115c6.351 0 11.5-5.149 11.5-11.5S34.851 92 28.5 92 17 97.149 17 103.5 22.149 115 28.5 115zM57 29H17v40h40V29zm52 0H69v40h40V29zM97.5 92C91.149 92 86 97.149 86 103.5S91.149 115 97.5 115s11.5-5.149 11.5-11.5S103.851 92 97.5 92z"/>
 </svg>