speed up transitions

hypothesis/js/src/hypothesis.coffee

@@ -285,7 +285,7 @@ class Hypothesis extends Annotator
 
                 parent.classed('hyp-collapsed', !collapsed)
                 parent.select('.annotator-listing').selectAll(-> this.children)
-                  .transition().duration(600)
+                  .transition().duration(300)
                     .style('overflow', 'hidden')
                     .style 'height', ->
                       if collapsed

hypothesis/sass/app.scss

@@ -148,7 +148,7 @@ $iconset: iconset_wireframe;
 
 // Styles for the sidebar
 .hyp-sidebar {
-  @include single-transition('margin-left', 0.6s, ease-in-out);
+  @include single-transition('margin-left', 0.3s, ease-in-out);
   background: url('../images/noise_1.png');
   background-attachment: fixed;
   color: #666666;