Try: Graduate all Gutenberg icons to the icon font. (#402)

Helps fix WordPress/gutenberg#20003.

Back in the day when we moved from a manual process, to a build script for Dashicons, we put Gutenberg icons in a separate folder that was not included in the icon font. The context for that started in a meeting here: https://wordpress.slack.com/archives/C03EESJAW/p1498836928887730 — this meeting outlined the process of creating a trac ticket for every icon created and approved separately. Some of that process is outlined in https://wordpress.slack.com/archives/C03EESJAW/p1498838219357464. In order to stay nimble and allow us to move fast with creating Gutenberg icons, it was suggested (https://wordpress.slack.com/archives/C03EESJAW/p1498838530476355) to put Gutenberg icons in a separte folder that is not included in the icon font, landing only in the React component.

But the icons have been there for a bit now, and in effort to fix #20003, these icons now need to graduate. Because of their time in the editor, it feels fair to review them all in a single ticket.

Author: jasmussen

Gruntfile.js

@@ -70,7 +70,7 @@ module.exports = function( grunt ) {
 			},
 		},
 
-		// Generate a web font, omit Gutenberg files for now, as they need separate approval
+		// Generate a web font.
 		webfont: {
 			icons: {
 				src: 'svg-min/*.svg',

codepoints.json

@@ -241,7 +241,6 @@
     "trash": 61826,
     "heading": 61710,
     "insert": 61711,
-    "saved": 61715,
     "align-full-width": 61716,
     "button": 61722,
     "align-wide": 61723,
@@ -259,7 +258,6 @@
     "admin-site-alt": 61725,
     "admin-site-alt2": 61726,
     "admin-site-alt3": 61727,
-    "html": 61729,
     "rest-api": 61732,
     "yes-alt": 61738,
     "buddicons-bbpress-logo": 62583,
@@ -278,5 +276,31 @@
     "plugins-checked": 62597,
     "text-page": 61729,
     "update-alt": 61715,
-    "code-standards": 61754
+    "code-standards": 61754,
+    "align-pull-left": 61706,
+    "align-pull-right": 61707,
+    "block-default": 61739,
+    "cloud-saved": 61751,
+    "cloud-upload": 61755,
+    "columns": 61756,
+    "cover-image": 61757,
+    "embed-audio": 61758,
+    "embed-generic": 61759,
+    "embed-photo": 61764,
+    "embed-post": 61766,
+    "embed-video": 61769,
+    "exit": 61770,
+    "html": 61771,
+    "info-outline": 61772,
+    "insert-after": 61773,
+    "insert-before": 61774,
+    "remove": 61775,
+    "shortcode": 61776,
+    "table-col-after": 61777,
+    "table-col-before": 61778,
+    "table-col-delete": 61786,
+    "table-row-after": 61787,
+    "table-row-before": 61788,
+    "table-row-delete": 61789,
+    "saved": 61790
 }