Merge branch '73-restructure-sidebar' into 'master'

Resolve "restructure sidebar"

Closes #73

See merge request troebs/pycs!69

webui/src/components/window/side-navigation-bar.vue

@@ -25,7 +25,7 @@
            :class="{active: window.content === 'add_data', inactive: !currentProject}"
            @click="ifProjectIsOpened(show, 'add_data')">
         <img src="@/assets/icons/package-dependencies.svg">
-        <span>Add Data</span>
+        <span>Data</span>
       </div>
 
       <div class="item"
@@ -39,7 +39,7 @@
            :class="{active: window.content === 'view_data', inactive: !currentProject || !mediaAvailable}"
            @click="ifProjectIsOpened(show, 'view_data')">
         <img src="@/assets/icons/file-media.svg">
-        <span>View Data</span>
+        <span>Session</span>
       </div>
 
       <div class="item"
@@ -53,7 +53,7 @@
            :class="{active: window.content === 'about'}"
            @click="show('about')">
         <img src="@/assets/icons/info.svg">
-        <span>About PyCS</span>
+        <span>About</span>
       </div>
 
       <div v-if="window.wide"