Update link to graduate bulletin

current/index.shtml

@@ -135,7 +135,7 @@
                             <dd>Online searchable database of UNL class offerings</dd>
                             <dt><a href="http://bulletin.unl.edu/undergraduate/">Undergraduate Bulletin</a></dt>
                             <dd>Browse the undergraduate bulletin online</dd>
-                            <dt><a href="http://bulletin.unl.edu/">Graduate Bulletin</a></dt>
+                            <dt><a href="http://www.unl.edu/gradstudies/bulletin">Graduate Bulletin</a></dt>
                             <dd>Browse the graduate bulletin online</dd>
                             <dt><a href="http://www.unl.edu/regrec/ordering-transcripts">Transcripts</a></dt>
                             <dd>Order your transcript</dd>

sharedcode/navigation.html

@@ -39,7 +39,7 @@
 			<li><a href="https://myred.nebraska.edu/psp/myred/NBL/HRMS/c/COMMUNITY_ACCESS.CLASS_SEARCH.GBL?INSTITUTION=NEUNL" title="Schedule of classes and online registration">Schedule of Classes</a></li>
 			<li><a href="http://registrar.unl.edu/academic-calendar" title="Academic Calendar">Academic Calendar</a></li>
 			<li><a href="http://libraries.unl.edu/" title="Catalogs, resources, services and information from University Libraries">Libraries</a></li><li><a href="http://bulletin.unl.edu/undergraduate/" title="browse the undergraduate bulletin online">Undergraduate Bulletin</a></li>
-			<li><a href="http://bulletin.unl.edu/" title="browse the graduate bulletin online">Graduate Bulletin</a></li>
+			<li><a href="http://www.unl.edu/gradstudies/bulletin" title="browse the graduate bulletin online">Graduate Bulletin</a></li>
 			<li><a href="http://huskers.unl.edu/mail/" title="Student Email service - huskers.unl.edu">Student Email</a></li>
 			<li><a href="http://involved.unl.edu/" title="Information on organizations, membership and events for students">Student Involvement</a></li>
 		</ul>