Support tweet content disclosures (AI and ads)

Fixes #1374

public/css/fontello.css

@@ -1,12 +1,12 @@
 @font-face {
   font-family: "fontello";
-  src: url("/fonts/fontello.eot?42791196");
+  src: url("/fonts/fontello.eot?49059696");
   src:
-    url("/fonts/fontello.eot?42791196#iefix") format("embedded-opentype"),
-    url("/fonts/fontello.woff2?42791196") format("woff2"),
-    url("/fonts/fontello.woff?42791196") format("woff"),
-    url("/fonts/fontello.ttf?42791196") format("truetype"),
-    url("/fonts/fontello.svg?42791196#fontello") format("svg");
+    url("/fonts/fontello.eot?49059696#iefix") format("embedded-opentype"),
+    url("/fonts/fontello.woff2?49059696") format("woff2"),
+    url("/fonts/fontello.woff?49059696") format("woff"),
+    url("/fonts/fontello.ttf?49059696") format("truetype"),
+    url("/fonts/fontello.svg?49059696#fontello") format("svg");
   font-weight: normal;
   font-style: normal;
 }
@@ -126,6 +126,11 @@
 }
 
 /* '' */
+.icon-attention:before {
+  content: "\e812";
+}
+
+/* '' */
 .icon-circle:before {
   content: "\f111";
 }

public/fonts/fontello.svg

@@ -42,6 +42,8 @@
 
 <glyph glyph-name="ok" unicode="&#xe811;" d="M933 534q0-22-16-38l-404-404-76-76q-16-15-38-15t-38 15l-76 76-202 202q-15 16-15 38t15 38l76 76q16 16 38 16t38-16l164-165 366 367q16 16 38 16t38-16l76-76q16-15 16-38z" horiz-adv-x="1000" />
 
+<glyph glyph-name="attention-circled" unicode="&#xe812;" d="M429 779q116 0 215-58t156-156 57-215-57-215-156-156-215-58-216 58-155 156-58 215 58 215 155 156 216 58z m71-696v106q0 8-5 13t-12 5h-107q-8 0-13-5t-6-13v-106q0-8 6-13t13-6h107q7 0 12 6t5 13z m-1 192l10 346q0 7-6 10-5 5-13 5h-123q-8 0-13-5-6-3-6-10l10-346q0-6 5-10t14-4h103q8 0 13 4t6 10z" horiz-adv-x="857.1" />
+
 <glyph glyph-name="circle" unicode="&#xf111;" d="M857 350q0-117-57-215t-156-156-215-58-216 58-155 156-58 215 58 215 155 156 216 58 215-58 156-156 57-215z" horiz-adv-x="857.1" />
 
 <glyph glyph-name="info" unicode="&#xf128;" d="M393 149v-134q0-9-7-15t-15-7h-134q-9 0-16 7t-7 15v134q0 9 7 16t16 6h134q9 0 15-6t7-16z m176 335q0-30-8-56t-20-43-31-33-32-25-34-19q-23-13-38-37t-15-37q0-10-7-18t-16-9h-134q-8 0-14 11t-6 20v26q0 46 37 87t79 60q33 16 47 32t14 42q0 24-26 41t-60 18q-36 0-60-16-20-14-60-64-7-9-17-9-7 0-14 4l-91 70q-8 6-9 14t3 16q89 148 259 148 45 0 90-17t81-46 59-72 23-88z" horiz-adv-x="571.4" />