[Mobile] Clean Up

Removed gap below bottom bar. Moved
around constants for the resizing
of the tree. Also added comments in
layout and reformatted that slightly.

platform/commonUI/general/res/sass/mobile/_tree.scss

@@ -28,21 +28,24 @@ ul.tree {
         li {
             span.tree-item {
                 // Adds some space to the top of each tree item
+                height: $mobile-treeHeight;
+                line-height: $mobile-treeHeight;
                 margin-top: $interiorMarginSm;
                 .view-control {
                     position: absolute;
-                    right: 5px;
-                    font-size: 1.5em;
+                    right: $mobile-treeRight;
+                    font-size: 1.8em;
                 }                   
 
                 .label {
                     // Designates the starting left margin
                     // (indentation) of 'My Items'
-                    left: 3px;
+                    left: $mobile-treeLeft;
+                    font-size: 1.2em;
                     // Allows tree item name to stop prior
                     // to the arrow
                     .title-label {
-                        right: 5px;
+                        right: $mobile-treeRight * 1.3;
                     }                    
                 }             
             }
@@ -51,7 +54,7 @@ ul.tree {
         // Sets the margin on the left, which causes the
         // running indentation after each folder is made
         ul.tree {
-            margin-left: 3px;
+            margin-left: $mobile-treeLeft;
         }
     }
 }