Use "flame" notification icon and bubble instead of lightning bolt

Summary: Switch to the final versions of these

Test Plan: Will add screenshots...

Reviewers: chad

Reviewed By: chad

CC: aran

Differential Revision: https://secure.phabricator.com/D4032

Author: epriestley

resources/sprite/manifest/icon.json

@@ -0,0 +1,35 @@
+{
+  "version" : 1,
+  "sprites" : {
+    "bubble"           : {
+      "name" : "bubble",
+      "rule" : ".phabricator-main-menu-alert-bubble.alert-unread",
+      "hash" : "07bc6fd60e5c2fa14558c9101cba5261"
+    },
+    "round_bubble"     : {
+      "name" : "round_bubble",
+      "rule" : ".phabricator-main-menu-alert-bubble",
+      "hash" : "02de5b1c1720749a566e7a4cf7c2216c"
+    },
+    "seen_have_unread" : {
+      "name" : "seen_have_unread",
+      "rule" : ".alert-notifications:hover .phabricator-main-menu-alert-icon",
+      "hash" : "d0210b3908193ee841db2eeec264a154"
+    },
+    "seen_read_all"    : {
+      "name" : "seen_read_all",
+      "rule" : ".alert-notifications .phabricator-main-menu-alert-icon",
+      "hash" : "8d0644ec8fa33330b30b7531272e24f1"
+    },
+    "unseen_any"       : {
+      "name" : "unseen_any",
+      "rule" : ".alert-notifications.alert-unread .phabricator-main-menu-alert-icon",
+      "hash" : "0e50bf01f640b2f8231eaef246863f0b"
+    }
+  },
+  "scales"  : [
+    1,
+    2
+  ],
+  "header"  : "\/**\n * @provides sprite-menu-css\n * @generated\n *\/\n\n.sprite-menu {\n  background-image: url(\/rsrc\/image\/sprite-menu.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-menu {\n    background-image: url(\/rsrc\/image\/sprite-menu-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}"
+}