Fix template linting errors

app/templates/index.hbs

@@ -52,7 +52,7 @@
       {{!-- TODO: We need a better naming --}}
       {{#if kredits.hasAccounts}}
         <p class="actions">
-          {{#link-to 'proposals.new'}}Create new proposal{{/link-to}}
+          {{#link-to "proposals.new"}}Create new proposal{{/link-to}}
         </p>
       {{/if}}
     </section>
@@ -66,7 +66,7 @@
 
       <div class="content">
         {{#if kredits.currentUser.isCore}}
-          {{add-contributor contributors=contributors save=(action 'save')}}
+          {{add-contributor contributors=contributors save=(action "save")}}
         {{else}}
           Only core team members can add new contributors. Please ask someone to set you up.
         {{/if}}

app/templates/proposals/new.hbs

@@ -4,7 +4,7 @@
   </header>
 
   <div class="content">
-    {{add-proposal contributors=minedContributors save=(action 'save')}}
+    {{add-proposal contributors=minedContributors save=(action "save")}}
   </div>
 </section>