Use dashed names for all templates when using `{{render}}` for future

Ember compatibility

app/assets/javascripts/discourse/ember/resolver.js.es6

@@ -117,7 +117,7 @@ export default Ember.DefaultResolver.extend({
 
   findUnderscoredTemplate: function(parsedName) {
     var decamelized = parsedName.fullNameWithoutType.decamelize();
-    var underscored = decamelized.replace("-", "_");
+    var underscored = decamelized.replace(/\-/g, "_");
     return Ember.TEMPLATES[underscored];
   },
 

app/assets/javascripts/discourse/templates/additional-composer-buttons.js.handlebars

@@ -1 +1,2 @@
 {{!-- THIS IS AN EMPTY TEMPLATE THAT NEEDS TO BE OVERWRITTEN --}}
+{{log wat}}

app/assets/javascripts/discourse/templates/composer.js.handlebars

@@ -58,7 +58,7 @@
               {{#if model.archetype.hasOptions}}
                 <button class='btn' {{action showOptions}}>{{i18n topic.options}}</button>
               {{/if}}
-              {{render "additionalComposerButtons" model}}
+              {{render "additional-composer-buttons" model}}
             {{/unless}}
           </div>
         {{/if}}

app/assets/javascripts/discourse/templates/topic.js.handlebars

@@ -153,5 +153,5 @@
 {{/if}}
 
 {{#if currentUser.canManageTopic}}
-  {{render "topicAdminMenu" content}}
+  {{render "topic-admin-menu" content}}
 {{/if}}