[Search] Centered load more button

More correctly centered the load more button,
so that when the left panel is resized,
the button remains in the middle.
Additionally, added more comments to the sass.

platform/commonUI/general/res/sass/search/_search.scss

@@ -25,22 +25,27 @@
     $leftMargin: 6px;
     
     .search-input {
-        width: 100%;
+        // Align with the top of the divider bar, below create button 
         margin-top: 10px;
+        width: 100%;
     }
     
 	.results {
+        // Spacing away from the search input
         margin-top: 10px;
         
 		.search-result-item {
+            // Space the results from each other
             margin-bottom: 5px;
+            
+            // Make the highlights the right color and shape
             background: $colorKeySelectedBg; // Later make this apply to only certain ones
             border-radius: 2px;
             padding-top: 2px;
             padding-bottom: 1px;
             
             .label {
-                left: 15px;
+                // Give some padding away from the left side
                 margin-left: $leftMargin;
                 
 				.type-icon {
@@ -52,13 +57,17 @@
                     display: inline-block;
                     position: absolute;
                     
+                    // Give some padding away from the left side
                     width: auto;
                     left: $leftMargin + 3px + $iconWidth;
                     right: 0;
                     
+                    // Size and position the text
                     font-size: .8em;
                     line-height: 17px;
                     
+                    // Hide overflow text
+                    // Only works when width is defined
 					overflow: hidden;
 					text-overflow: ellipsis;
 					white-space: nowrap;
@@ -68,11 +77,15 @@
 	}
     
     .load-more-button {
+        // Space away form the results list
         margin-top: 5px;
         
+        // Center it
         position: relative;
         left: 25%;
+        width: 50%;
         
+        // Make smallish button 
         height: 20px;
         line-height: 11px;
         font-size: 0.7em;