Added a common database backend implementation.

Added sqlite (proof of concept)

persistence/implementation/sqlite/tests/application.e

@@ -0,0 +1,31 @@
+note
+	description : "tests application root class"
+	date        : "$Date: 2014-08-20 15:21:15 -0300 (mi., 20 ago. 2014) $"
+	revision    : "$Revision: 95678 $"
+
+class
+	APPLICATION
+
+inherit
+	ARGUMENTS
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make
+			-- Run application.
+		local
+			user: USER_DATA_PROVIDER
+			node: NODE_DATA_PROVIDER
+			l_security: SECURITY_PROVIDER
+		do
+			create connection.make_basic ("cms_dev")
+			create user.make (connection)
+			user.new_user ("test", "test", "test")
+		end
+
+	connection: DATABASE_CONNECTION_ODBC
+
+end