Organize logic on Find Courses view.

lms/templates/courseware/courses.html

-<%! from django.utils.translation import ugettext as _ %>
+<%! 
+  from django.utils.translation import ugettext as _
+  from microsite_configuration import microsite
+%>
 <%inherit file="../main.html" />
 
 <%namespace name='static' file='../static_content.html'/>
 
 <%block name="pagetitle">${_("Courses")}</%block>
-<%! from microsite_configuration import microsite %>
-
-<section class="find-courses">
-
 <%
-  course_index_overlay_text = microsite.get_value('course_index_overlay_text', _("Explore free courses from leading universities."))
-
-  # not sure why this is, but if I use static.url('images/edx-logo-bw.png') then the HTML rendering
-  # of this template goes wonky
-
-  logo_file = microsite.get_value(
-    'course_index_overlay_logo_file', settings.STATIC_URL + 'images/edx-logo-bw.png'
-   )
+  platform_name = microsite.get_value('platform_name', settings.PLATFORM_NAME)
+
+  if self.stanford_theme_enabled():
+    course_index_overlay_text = _("Explore free courses from {university_name}.").format(university_name="Stanford University")
+    logo_file = static.url('themes/stanford/images/seal.png')
+    logo_alt_text = "Stanford Seal Logo"
+
+  else:
+    course_index_overlay_text = microsite.get_value('course_index_overlay_text', _("Explore courses from {platform_name}.").format(platform_name=platform_name))
+    # not sure why this is, but if I use static.url('images/edx-logo-bw.png') then the HTML rendering
+    # of this template goes wonky
+
+    logo_file = microsite.get_value(
+      'course_index_overlay_logo_file', settings.STATIC_URL + 'images/edx-logo-bw.png'
+    )
+    logo_alt_text = _("{platform_name} Logo").format(platform_name=platform_name)
 %>
 
+<section class="find-courses">
+
   <header class="search">
     <div class="inner-wrapper main-search">
       <hgroup>
         <div class="logo">
-          % if self.stanford_theme_enabled():
-            <img src="${static.url('themes/stanford/images/seal.png')}" alt="Stanford Seal Logo" />
-          % else:
-            <img src='${logo_file}' alt="${microsite.get_value('platform_name', settings.PLATFORM_NAME)} Logo" />
-          % endif
+          <img src="${logo_file}" alt="${logo_alt_text}" />
         </div>
-        % if self.stanford_theme_enabled():
-          <h2>${_("Explore free courses from {university_name}.").format(university_name="Stanford University")}</h2>
-        % else:
-          <h2>${course_index_overlay_text}</h2>
-        % endif
+        <h2>${course_index_overlay_text}</h2>
       </hgroup>
     </div>
   </header>
@@ -41,7 +42,7 @@
   <section class="container">
     <section class="courses">
       <ul class="courses-listing">
-        %for course in courses:
+	%for course in courses:
         <li class="courses-listing-item">
           <%include file="../course.html" args="course=course" />
         </li>
@@ -49,4 +50,5 @@
       </ul>
     </section>
   </section>
+
 </section>