Moved the database to a separate file, getting ready for mondoDB support. Added a more welcoming flipnote

DB.py

@@ -0,0 +1,11 @@
+DB_type = "plaintext"#"plaintext" or "mondoDB"
+
+
+if DB_type == "plaintext":
+	from database import Database
+elif DB_type == "mondoDB":#not yet implemented
+	from database import Database#hue
+else:
+	import sys
+	print "Unsupported database type \"%s\"" % DB_type
+	sys.exit()