Added help content for webpages app. Corrected apparent bug with capitalized Webpages.md

doc/webpage-element-import.md

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+## <a href="#webpage-element-import"></a>Webpage element import
+
+There are two methods of importing webpage elements: uploading a zip file or 
+referencing a local cloud files folder. Both methods require that the webpage 
+elements are specified using a specific folder structure. The import tool makes 
+it possible to import all the elements necessary to construct an entire website
+or set of websites. The goal is to accommodate external development of webpages 
+as well as tools to simplify and automate deployment on a hub.
+
+### Folder structure
+Element definitions must be stored in the repo root under folders called 
+
+	/pages/
+	/blocks/
+	/layouts/
+
+
+Each element of these types must be defined in an individual subfolder using two files: one JSON-formatted file for the metadata and one plain text file for the element content.
+
+### Page elements
+Page element metadata is specified in a JSON-formatted file called `page.json` with the following properties:
+
+ * title
+ * pagelink
+ * mimetype
+ * layout
+ * contentfile
+
+**Example** 
+
+Files: 
+	
+	/pages/my-page/page.json
+	/pages/my-page/my-page.bbcode
+	
+Content of `page.json`:
+	
+	{
+		"title": "My Page",
+		"pagelink": "mypage",
+		"mimetype": "text/bbcode",
+		"layout": "my-layout",
+		"contentfile": "my-page.bbcode"
+	}
+	
+
+### Layout elements
+Layout element metadata is specified in a JSON-formatted file called `layout.json` with the following properties:
+
+ * name
+ * description
+ * contentfile
+
+**Example** 
+
+Files:
+
+	/layouts/my-layout/layout.json
+	/layouts/my-layout/my-layout.bbcode
+	
+Content of `layout.json`:
+	
+	{
+		"name": "my-layout",
+		"description": "Layout for my project page",
+		"contentfile": "my-layout.bbcode"
+	}
+
+
+### Block elements
+Block element metadata is specified in a JSON-formatted file called `block.json` with the following properties:
+
+ * name
+ * title
+ * mimetype
+ * contentfile
+
+**Example** 
+
+Files:
+	
+	/blocks/my-block/block.json
+	/blocks/my-block/my-block.html
+
+Content of `block.json`:	
+
+	
+	{
+		"name": "my-block",
+		"title": "",
+		"mimetype": "text/html",
+		"contentfile": "my-block.html"
+	}
+