Adds curved borders to the right (and left, in rtl mode) sides of the content area.
Moves the nav-tree size into CSS and changes to 'em' measurements.

Patch by: jgw
Review by: bruce (desk check)

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@2390 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java
index 2d77d25..c5b31ff 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java
@@ -306,7 +306,6 @@
     // Setup the main menu
     ApplicationImages treeImages = GWT.create(ApplicationImages.class);
     mainMenu = new Tree(treeImages);
-    mainMenu.setWidth("180px");
     mainMenu.addStyleName(DEFAULT_STYLE_NAME + "-menu");
     mainMenu.addTreeListener(new TreeListener() {
       public void onTreeItemSelected(TreeItem item) {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.css b/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.css
index 077dca5..ee4a580 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.css
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.css
@@ -54,17 +54,17 @@
   background: #222222;
 }
 .Application-menu {
+  width: 18em;
   text-align: left;
 }
 
 /**
  * Applied to widgets in the content area.
  */
-.Application-content-decorator .topRightInner, 
-.Application-content-decorator .middleRightInner, 
-.Application-content-decorator .bottomRightInner { 
-	display: none;
+.Application-content-decorator {
+  margin-right: 8px;
 }
+ 
 .Application-content-decorator .middleCenter .topRightInner, 
 .Application-content-decorator .middleCenter .middleRightInner, 
 .Application-content-decorator .middleCenter .bottomRightInner { 
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.rtl.css b/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.rtl.css
index 4035b8f..546888c 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.rtl.css
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/public/Showcase.rtl.css
@@ -54,18 +54,17 @@
   background: #222222;
 }
 .Application-menu {
-	width: 180px;
+  width: 18em;
   text-align: right;
 }
 
 /**
  * Applied to widgets in the content area.
  */
-.Application-content-decorator .topLeftInner, 
-.Application-content-decorator .middleLeftInner, 
-.Application-content-decorator .bottomLeftInner { 
-	display: none;
+.Application-content-decorator {
+  margin-left: 8px;
 }
+ 
 .Application-content-decorator .middleCenter .topLeftInner, 
 .Application-content-decorator .middleCenter .middleLeftInner, 
 .Application-content-decorator .middleCenter .bottomLeftInner {