Merge branch 'fix/make-nav-panel-not-so-bright' into 'develop'

Change the base16 colors used by the navpanel

See merge request !61

src/components/nav_panel/nav_panel.vue

 <template>
   <div class="nav-panel">
-    <div class="panel panel-default base02-background">
+    <div class="panel panel-default base01-background">
       <ul class="base03-border">
         <li v-if='currentUser'>
-          <router-link class="base01-background" to='/main/friends'>
+          <router-link class="base00-background" to='/main/friends'>
             Timeline
           </router-link>
         </li>
         <li v-if='currentUser'>
-          <router-link class="base01-background" :to="{ name: 'mentions', params: { username: currentUser.screen_name } }">
+          <router-link class="base00-background" :to="{ name: 'mentions', params: { username: currentUser.screen_name } }">
             Mentions
           </router-link>
         </li>
         <li>
-          <router-link class="base01-background" to='/main/public'>
+          <router-link class="base00-background" to='/main/public'>
             Public Timeline
           </router-link>
         </li>
         <li>
-          <router-link class="base01-background" to='/main/all'>
+          <router-link class="base00-background" to='/main/all'>
             The Whole Known Network
           </router-link>
         </li>