Added restricted hero button where the choose hero would normally go, for heroes unavailable to a particular level.

app/styles/play/modal/play-heroes-modal.sass

@@ -287,7 +287,7 @@ $heroCanvasHeight: 265px
       margin-top: 12px
       margin-bottom: 5px
 
-  #purchase-hero-button
+  #restricted-hero-button, #purchase-hero-button
     width: 209px
     height: 110px
     position: absolute
@@ -299,6 +299,8 @@ $heroCanvasHeight: 265px
     font-size: 24.5px
     font-family: Open Sans Condensed
     color: white
+
+  #purchase-hero-button
     border: 3px solid rgb(7,65,83)
     background: rgb(0,119,168)
     border-radius: 0
@@ -314,6 +316,8 @@ $heroCanvasHeight: 265px
     &:hover > *
       @include opacity(1)
 
+  //#restricted-hero-button
+
   //- Programming select box
   
   .form

app/templates/play/modal/play-heroes-modal.jade

@@ -68,6 +68,7 @@
               span= visibleHero.name
               span.spl(data-i18n="inventory.restricted_title") Restricted
             span.spr(data-i18n="choose_hero.restricted_to_certain_heroes") Only certain heroes can play this level.
+          button.btn.disabled.btn-illustrated#restricted-hero-button(data-i18n="inventory.restricted_title") Restricted
   
         else if visibleHero.purchasable
           #purchasable-hero-explanation