Footer updated + added dynamic copyright

src/components/Footer.js

@@ -1,6 +1,7 @@
 const React = require('react')
 
 const mailto = email => `mailto:${email}`
+const currentYear = () => (new Date()).getFullYear()
 
 const Footer = ({children, address, telephone, email, showAuthor}) => (
 	<footer>
@@ -16,7 +17,10 @@ const Footer = ({children, address, telephone, email, showAuthor}) => (
 		</div>
 
 		<div className="copyright">
-			<span>©&nbsp;2012—2017 Шлиссельбургская детская художественная школа</span>
+            <Copyright
+                yearStart={2012}
+                yearEnd={currentYear()}
+            />
 			{!showAuthor ? null : (
 				<span>Разработка и поддержка сайта —
 					<a href="http://tmshv.ru?utm_source=artshburg&utm_medium=developer&utm_campaign=tmshv_ru">
@@ -28,4 +32,8 @@ const Footer = ({children, address, telephone, email, showAuthor}) => (
 	</footer>
 )
 
+const Copyright = ({yearStart, yearEnd}) => (
+    <span>©&nbsp;{yearStart}—{yearEnd} Шлиссельбургская детская художественная школа</span>
+)
+
 module.exports = Footer