Update favicons, fonts, dependencies

assets/apple-touch-icon.png

assets/dbp-signature.html.ejs

assets/favicon.ico

assets/icon-128x128.png

assets/icon-144x144.png

assets/icon-152x152.png

assets/icon-16x16.png

assets/icon-180x180.png

assets/icon-192x192.png

assets/icon-256x256.png

assets/icon-32x32.png

assets/icon-384x384.png

assets/icon-512x512.png

assets/icon-72x72.png

assets/icon-96x96.png

assets/icon/android-chrome-192x192.png

assets/icon/android-chrome-512x512.png

assets/icon/apple-touch-icon.png

assets/icon/favicon-16x16.png

assets/icon/favicon-32x32.png