Hook up tos and honor links.

lms/templates/signup_modal.html

@@ -84,13 +84,13 @@
           <label class="terms-of-service">
             <input name="terms_of_service" type="checkbox" value="true">
             I agree to the
-            <a href="#">Terms of Service</a>
+            <a href="${reverse('tos')}">Terms of Service</a>
           </label>
 
           <label class="honor-code">
             <input name="honor_code" type="checkbox" value="true">
             I agree to the
-            <a href="#">Honor Code</a>
+            <a href="${reverse('honor')}">Honor Code</a>
             , sumarized below as:
           </label>
         </div>