Change default text to All.

lms/templates/discussion/_new_post.html

@@ -29,7 +29,7 @@
             <div class="left-column">
                 <label>Create new post in:</label>
                 <div class="form-topic-drop">
-                    <a href="#" class="topic_dropdown_button">Homework / Week 1 <span class="drop-arrow">▾</span></a>
+                    <a href="#" class="topic_dropdown_button">All<span class="drop-arrow">▾</span></a>
                     <div class="topic_menu_wrapper">
                         <div class="topic_menu_search">
                             <input type="text" class="form-topic-drop-search-input" placeholder="filter topics">

lms/templates/discussion/_thread_list_template.html

@@ -2,7 +2,7 @@
     <div class="browse-search">
         <div class="browse is-open">
             <a href="#" class="browse-topic-drop-icon"></a>
-            <a href="#" class="browse-topic-drop-btn"><span class="current-board">Homework / Week 1</span> <span class="drop-arrow">▾</span></a>
+            <a href="#" class="browse-topic-drop-btn"><span class="current-board">All</span> <span class="drop-arrow">▾</span></a>
         </div>
         <%include file="_filter_dropdown.html" />
         <div class="search">
@@ -23,4 +23,4 @@
         <ul class="post-list">
         </ul>
     </div>
-</script>
\ No newline at end of file
+</script>