Moving tiny stylesheet into source code

This makes loading the LWP from a CDN easier

gulpfile.litcoffee

@@ -74,22 +74,16 @@ point to files that exist) and another for compiling.
     ]
 
 The final task is that of building a release, which includes all the tasks
-above, plus one for copying all `source/assets` into the release folder,
-and one for copying all style files used by plugins into the release folder.
+above, plus one for copying all `source/assets` into the release folder.
 
     gulp.task 'copy-assets', -> pump [
         gulp.src [ 'source/assets/**/*', '!source/assets/README.md' ]
         gulp.dest 'release'
     ]
-    gulp.task 'copy-styles', -> pump [
-        gulp.src 'source/plugins/*.css'
-        gulp.dest 'release'
-    ]
     gulp.task 'release-build', [
         'lwp-build'
         'aux-build'
         'copy-assets'
-        'copy-styles'
     ]
 
 ## Other build tasks

release/lurch-web-platform.litcoffee

@@ -3313,9 +3313,22 @@ the latter if needed.
 The plugin, when initialized on an editor, places an instance of the
 `Groups` class inside the editor, and points the class at that editor.
 
+    styleSheet = '
+        img.grouper {
+            margin-bottom : -0.35em;
+            cursor : default;
+        }
+
+        img.grouper.hide:not(.decorate) {
+            width : 0px;
+            height : 22px;
+        }
+    '
+    styleSheet = 'data:text/html;base64' + \
+        new Buffer( styleSheet ).toString 'base64'
     tinymce.PluginManager.add 'groups', ( editor, url ) ->
         editor.Groups = new Groups editor
-        editor.on 'init', ( event ) -> editor.dom.loadCSS 'groupsplugin.css'
+        editor.on 'init', ( event ) -> editor.dom.loadCSS styleSheet
         for type in editor.settings.groupTypes
             editor.Groups.addGroupType type.name, type
         editor.addMenuItem 'hideshowgroups',

source/plugins/groupsplugin.litcoffee

@@ -1654,9 +1654,22 @@ the latter if needed.
 The plugin, when initialized on an editor, places an instance of the
 `Groups` class inside the editor, and points the class at that editor.
 
+    styleSheet = '
+        img.grouper {
+            margin-bottom : -0.35em;
+            cursor : default;
+        }
+
+        img.grouper.hide:not(.decorate) {
+            width : 0px;
+            height : 22px;
+        }
+    '
+    styleSheet = 'data:text/html;base64' + \
+        new Buffer( styleSheet ).toString 'base64'
     tinymce.PluginManager.add 'groups', ( editor, url ) ->
         editor.Groups = new Groups editor
-        editor.on 'init', ( event ) -> editor.dom.loadCSS 'groupsplugin.css'
+        editor.on 'init', ( event ) -> editor.dom.loadCSS styleSheet
         for type in editor.settings.groupTypes
             editor.Groups.addGroupType type.name, type
         editor.addMenuItem 'hideshowgroups',