Updating the content item edit's publishing controls.

- if the content item is not "Draftable" there is a single save button that saves and publishes
- if the content item is "Draftable" there is still the save button, which saves a draft, and a publish now button for immediate publishing
- if there's a part on the content item that handles scheduling (like Orchard.PublishLater) then the draft saved should be scheduled for publishing

--HG--
branch : dev

src/Orchard.Web/Core/Contents/Placement.info

@@ -4,6 +4,9 @@
         Parts_Contents_Publish
         Parts_Contents_Publish_SummaryAdmin
     -->
+    <!-- edit "shape" -->
+    <Place Content_PublishButton="Sidebar:20"/>
+    <Place Content_SaveButton="Sidebar:22"/>
     <Match DisplayType="Detail">
         <Place Parts_Contents_Publish="Content:5"/>
     </Match>