[Fix] Fix styles of hbs files (#1722)

Because there is something wrong in formation, and when we run `npm run test` we cannot continue：
![error](https://user-images.githubusercontent.com/40081831/42437285-36ee8274-838f-11e8-8c9b-741e694705ce.PNG)
This is the fixture for that：
![success](https://user-images.githubusercontent.com/40081831/42437290-417e65c4-838f-11e8-8929-e2d801d1780e.PNG)

layouts/partials/header.hbs

@@ -7,12 +7,12 @@
 
     <nav>
       <ul class="list-divider-pipe">
-        <li{{#equals path ''}} class="active"{{/equals}}>
+        <li {{#equals path ''}}class="active"{{/equals}}>
           <a href="/{{site.locale}}/">{{site.home.text}}</a>
         </li>
 
         {{#each nav.main}}
-          <li{{#startswith ../path link}} class="active"{{/startswith}}{{#startswith link 'https://foundation.nodejs.org'}} class="nav-foundation"{{/startswith}}>
+          <li {{#startswith ../path link}}class="active"{{/startswith}}{{#startswith link 'https://foundation.nodejs.org'}} class="nav-foundation"{{/startswith}}>
             {{#startswith link 'http'}}
               <a href="{{link}}">{{text}}</a>
             {{else}}

layouts/partials/navigation.hbs

@@ -3,7 +3,7 @@
     {{#each nav}}
       {{#equals @key ../key}}
         {{#each this}}
-          <li{{#equals ../../path link}} class="active"{{/equals}}>
+          <li {{#equals ../../path link}}class="active"{{/equals}}>
             {{#startswith link '/'}}
               <a href="{{link}}">{{text}}{{#if subtext}} <span class="small color-lightgray">{{subtext}}</span>{{/if}}</a>
             {{else}}