Upgrade to latest Ember, etc.

app/templates/dashboard/contributions/show.hbs

@@ -10,8 +10,8 @@
   <div class="content">
     <p class="who-what-when">
       <span class="contributor">
-        {{user-avatar contributor=model.contributor}}
-        {{link-to model.contributor.name "dashboard.contributors.show" model.contributor}}
+        <UserAvatar @contributor={{model.contributor}} />
+        <LinkTo @route="dashboard.contributors.show" @model={{model.contributor}}>{{model.contributor.name}}</LinkTo>
       </span>
       contributed
       <span class="date" title={{model.iso8601Date}}>{{moment-from model.iso8601Date}}</span>:
@@ -35,14 +35,14 @@
     {{#if model.vetoed}}
       <div class="hint vetoed">
         <div class="icon">
-          {{icon-warning}}
+          <IconWarning />
         </div>
         <p>
           This contribution has been vetoed, meaning no
           kredits will be issued.
         </p>
         <p>
-          {{link-to "Re-submit contribution …" "contributions.resubmit" model class="button small green"}}
+          <LinkTo @route="contributions.resubmit" @model={{model}} class="button small green">Re-submit contribution …</LinkTo>
         </p>
       </div>
     {{/if}}
@@ -50,7 +50,7 @@
 
   <div class="actions">
     <p>
-      {{link-to "Copy & edit as new" "contributions.resubmit" model class="button small"}}
+      <LinkTo @route="contributions.resubmit" @model={{model}} class="button small">Copy & edit as new</LinkTo>
       {{#if model.ipfsHash}}
         <a href="{{ipfsGatewayUrl}}/{{model.ipfsHash}}"
            class="button small" target="_blank" rel="noopener">