Update esri links

Author: jf990

index.html

@@ -36,7 +36,7 @@ <h1>Map Labs is on GitHub</h1>
 												<a class="btn primary centered" href="https://github.com/esriuk"> Browse on GitHub </a>
 											</p>
 											<p class="home-subscription-text"> 
-												Need an <a href="http://developers.esri.com">ArcGIS subscription</a>? &nbsp;Start developing today for <a href="https://developers.arcgis.com/en/plans/">free</a>.
+												Need an <a href="http://location.arcgis.com">ArcGIS subscription</a>? &nbsp;Start developing today for <a href="https://location.arcgis.com/pricing/">free</a>.
 											</p>
 										</div>
 									</div>