Add CommunitySolution

* Also slightly refactor some JS files

app/assets/stylesheets/editor.css.scss

@@ -7,6 +7,14 @@ button i.fa-spin {
   width: 100%;
 }
 
+.own-editor {
+  height: 100%;
+  width: 100%;
+  .ace_scroller .ace_content {
+    background: #FAFAFA;
+  }
+}
+
 /* this class is used for the edit view of an exercise. It needs the height set, as it does not automatically resize */
 .edit-frame {
   height: 400px;
@@ -26,6 +34,15 @@ button i.fa-spin {
   }
 }
 
+.own-frame {
+  display: none;
+  min-height: 300px;
+
+  audio, img, video {
+    max-width: 100%;
+  }
+}
+
 .score {
   display: none;
   vertical-align: bottom;
@@ -64,6 +81,10 @@ button i.fa-spin {
   overflow: auto;
 }
 
+#own-files {
+  overflow: auto;
+}
+
 #outputInformation {
   #output {
     max-height: 500px;