Fix sidebar height in styles.

There was some inconsistency with sidebar height definition in styles,
it is fixed now.

Also, #content gained overflow hidden to force every element inside it
that has clear:both set to be present next to the sidebar, not below
it.

admin_toolbox/sidebar/static/admin_sidebar/css/admin-sidebar.scss

@@ -1,8 +1,10 @@
+$sidebar_width: 220px;
+
 .submit-row {
   position: fixed;
   bottom: 0;
   right: 0;
-  left: 220px;
+  left: $sidebar_width;
   margin-bottom: 0 !important;
 }
 
@@ -25,7 +27,7 @@ html.w-su-sidebar {
   }
 
   #su-content {
-    padding-left: 200px;
+    padding-left: $sidebar_width;
     overflow: hidden;
     padding-bottom: 70px;
 
@@ -38,9 +40,9 @@ html.w-su-sidebar {
 
   #su-sidebar {
     background: #79aec8;
-    width: 220px;
+    width: $sidebar_width;
     float: left;
-    margin-left: -200px;
+    margin-left: -$sidebar_width;
     top: 60px;
     left: 0;
     bottom: 0;
@@ -206,6 +208,10 @@ html.w-su-sidebar {
     }
   }
 
+  #content {
+    overflow: hidden;
+  }
+
   .object-tools a.addlink {
     padding-right: 32px;
   }

setup.py

@@ -18,7 +18,7 @@
 setup(
     name='django-admin-toolbox',
 
-    version='1.0.0.dev13',
+    version='1.0.0.dev14',
 
     description='Django admin toolbox - bunch of improvements for default django admin',
     long_description=long_description,