It's 2018! 🎉

Author: SISheogorath

public/views/index/body.ejs

@@ -126,7 +126,7 @@
                         <iframe src="//ghbtns.com/github-btn.html?user=hackmdio&repo=hackmd&type=star&count=true" frameborder="0" scrolling="0" width="104px" height="20px"></iframe>
                     </h6>
                     <p>
-                        &copy; 2017 <a href="https://www.facebook.com/hackmdio" target="_blank"><i class="fa fa-facebook-square"></i> HackMD</a> | <a href="<%- url %>/s/release-notes" target="_blank"><%= __('Releases') %></a>
+                        &copy; 2018 <a href="https://www.facebook.com/hackmdio" target="_blank"><i class="fa fa-facebook-square"></i> HackMD</a> | <a href="<%- url %>/s/release-notes" target="_blank"><%= __('Releases') %></a>
                     </p>
                     <select class="ui-locale">
                         <option value="en">English</option>