make sad bucky img absolute so it always shows up even when the 40[3|4]...

make sad bucky img absolute so it always shows up even when the 40[3|4] page(s) are used through the valve

myuw-root-webapp/src/main/webapp/403.html

@@ -27,7 +27,7 @@
 			<div class="mdl-grid">
 				<div class="mdl-cell mdl-cell--2-col mdl-cell--1-col-phone"></div>
 				<div class="mdl-cell mdl-cell--8-col mdl-cell--10-col-phone">
-					<img src="bucky-sad.png" alt="sad bucky" class="img__bucky-sad" id="img__bucky-sad">
+					<img src="/bucky-sad.png" alt="sad bucky" class="img__bucky-sad" id="img__bucky-sad">
 					<h1 class="mr-title">Sorry, you're not authorized to access this page.</h1>
 					<p class="centered">If you're here by accident, head back to your MyUW <a href='/web'>homepage</a>.</p>
 					<p class="centered">For help with authorization, contact the DoIT <a href="https://kb.wisc.edu/helpdesk/"></a>Help Desk</a>.</p>

myuw-root-webapp/src/main/webapp/404.html

@@ -29,7 +29,7 @@
 			<div class="mdl-grid">
 				<div class="mdl-cell mdl-cell--2-col mdl-cell--1-col-phone"></div>
 				<div class="mdl-cell mdl-cell--8-col mdl-cell--10-col-phone">
-					<img src="bucky-sad.png" alt="sad bucky" class="img__bucky-sad" id="img__bucky-sad">
+					<img src="/bucky-sad.png" alt="sad bucky" class="img__bucky-sad" id="img__bucky-sad">
 					<h1 class="mr-title">Sorry, the page you are looking for does not exist or you don't have access to it. Please go
 						to the <a href='/'>MyUW home page</a>.
 					</h1>