[Effen] remove the last traces of the 'display' property from the effen component library.

sky/framework/layout.dart

 library layout;
 
 import 'node.dart';
 import 'dart:sky' as sky;
 import 'dart:collection';
 
 // UTILS
 
 // Bridge to legacy CSS-like style specification
 // Eventually we'll replace this with something else
@@ skipping 374 matching lines @@
       if (child.parentData.flex != null) {
         child._additionalStylesFromParent = 'flex:${child.parentData.flex}';
         child._updateInlineStyleAttribute();
       }
       child = child.parentData.nextSibling;
     }
   }
 
 }
 
-class RenderCSSText extends RenderCSS {
+class RenderCSSParagraph extends RenderCSSContainer {
 
-  RenderCSSText(debug, String newData) : super(debug) {
-    data = newData;
-  }
+  RenderCSSParagraph(debug) : super(debug);
 
   static final Style _displayParagraph = new Style('display:paragraph');
 
   String stylesToClasses(List<Style> styles) {
     return super.stylesToClasses(styles) + ' ' + _displayParagraph._className;
   }
 
+}
+
+class RenderCSSInline extends RenderCSS {
+
+  RenderCSSInline(debug, String newData) : super(debug) {
+    data = newData;
+  }
+
+  static final Style _displayInline = new Style('display:inline');
+
+  String stylesToClasses(List<Style> styles) {
+    return super.stylesToClasses(styles) + ' ' + _displayInline._className;
+  }
+
   sky.Element createSkyElement() {
     return sky.document.createElement('div')
                       ..setChild(new sky.Text())
                       ..setAttribute('debug', debug.toString());
   }
 
   void set data (String value) {
     (_skyElement.firstChild as sky.Text).data = value;
   }
 
@@ skipping 59 matching lines @@
   print(prefix + node.toString() + _attributes(node));
   var children = node.getChildNodes();
   prefix = prefix + '  ';
   for (var child in children)
     _serialiseDOM(child, prefix);
 }
 
 void dumpState() {
   _serialiseDOM(sky.document);
 }