[Mobile] IN PROGRESS: General fixes, spurred by mobile, for object-header

open #74
Attempting to layout using flex - not working;
See http://jsfiddle.net/charlesh88/cpf9zjts/9/ for working example;
New _flex.scss added;
This commit is changed elements that are mostly solid;

platform/features/layout/res/templates/frame.html

@@ -21,9 +21,8 @@
 -->
 <div class="frame frame-template abs">
     <div class="bar abs object-header object-top-bar">
-        <div class="title left abs">
-            <mct-representation key="'node'"
-                                mct-object="domainObject">
+        <div class="left abs">
+            <mct-representation key="'object-header'" mct-object="domainObject">
             </mct-representation>
         </div>
         <div class="btn-bar right abs">