Updated the road 1.5.0 release date.

Author: kevzlou7979

src/main/java/gwt/material/design/demo/client/application/roadmap/RoadMapView.ui.xml

@@ -33,7 +33,7 @@
         <m:MaterialCard grid="s12 l8" offset="l2" >
             <m:MaterialCardContent grid="s12 l3">
                 <m:MaterialCardTitle text="1.5.0" textColor="black"/>
-                <m:MaterialLabel textColor="grey" text="On Going"/>
+                <m:MaterialLabel textColor="grey" text="April 2016"/>
             </m:MaterialCardContent>
             <m:MaterialCardAction grid="s12 l9" padding="12"  backgroundColor="grey lighten-3" addStyleNames="{style.horizontalCard}">
                 <m:MaterialPanel>