Configuration File added

Created CMS_BLOG_CONFIG at moved the feature entries_per_page to this new class. The blog hander inherits from the config class

examples/demo/modules/blog/cms_blog_config.e

@@ -0,0 +1,21 @@
+note
+	description: "Configuration class for the blog module."
+	author: "Dario B<>sch <daboesch@student.ethz.ch"
+	date: "$Date: 2015-05-22 11:26:00 +0100$"
+	revision: "$Revision: 96616 $"
+
+class
+	CMS_BLOG_CONFIG
+
+
+feature {BLOG_HANDLER}-- Configuration of blog handler
+
+	entries_per_page : INTEGER
+			-- The numbers of posts that are shown on one page. If there are more post a pagination is generated
+		do
+			-- For test reasons this is 2, so we don't have to create a lot of blog entries.
+			-- TODO: Set to bigger constant.
+			Result := 2
+		end
+
+end