Repostioned tab markers to bottom of content page.

Remove absolute positioning from #mw-head and #left-navigation.  Removed
top indent from #right-navigation.

The result is that the tabs are now located at the bottom of the center
column, ie. the maincolumn-l-r in uab contenxt or content in mw context.

skins/uabvector/main-ltr.css

@@ -56,10 +56,11 @@ body {
 	background-repeat: repeat-x;
 }
 #mw-head {
-	position: absolute;
+/*	position: absolute;
 	top: 0;
 	right: 0;
 	width: 100%;
+*/
 }
 #mw-head h5 {
 	margin: 0;
@@ -96,13 +97,15 @@ body {
 	}
 	/* Navigation Containers */
 	#left-navigation {
-		position: absolute;
+/*		position: absolute;
 		left: 10em;
 		top: 2.5em;
+*/
 	}
 	#right-navigation {
 		float: right;
-		margin-top: 2.5em;
+/*		margin-top: 2.5em;
+*/
 	}
 	/* Navigation Labels */
 	div.vectorTabs h5,