Updated heading and title of Django admin site

Both fields have been updated to "Discovery Service Administration" to help avoid confusion in documentation and when administering multiple services.

LEARNER-2555

course_discovery/conf/locale/en/LC_MESSAGES/django.po

@@ -7,14 +7,14 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-09-11 17:05-0400\n"
+"POT-Creation-Date: 2017-09-14 17:17-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
-"Language: \n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"Language: \n"
 
 #: apps/api/filters.py
 #, python-brace-format
@@ -3260,3 +3260,7 @@ msgstr ""
 #: templates/publisher/seat_form.html
 msgid "Seat Form"
 msgstr ""
+
+#: urls.py
+msgid "Discovery Service Administration"
+msgstr ""

course_discovery/conf/locale/eo/LC_MESSAGES/django.po

@@ -7,14 +7,14 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-09-11 17:05-0400\n"
+"POT-Creation-Date: 2017-09-14 17:17-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
-"Language: \n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"Language: \n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #: apps/api/filters.py
@@ -3953,3 +3953,8 @@ msgstr ""
 #: templates/publisher/seat_form.html
 msgid "Seat Form"
 msgstr "Séät Förm Ⱡ'σяєм ιρѕυм ∂σł#"
+
+#: urls.py
+msgid "Discovery Service Administration"
+msgstr ""
+"Dïsçövérý Sérvïçé Àdmïnïsträtïön Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт αмєт, ¢σηѕє¢тє#"

course_discovery/urls.py

@@ -20,13 +20,15 @@ from django.conf import settings
 from django.conf.urls import include, url
 from django.conf.urls.static import static
 from django.contrib import admin
+from django.utils.translation import ugettext_lazy as _
 from django.views.i18n import javascript_catalog
 
 from course_discovery.apps.api.views import SwaggerSchemaView
 from course_discovery.apps.core import views as core_views
 from course_discovery.apps.course_metadata.views import QueryPreviewView
 
-
+admin.site.site_header = _('Discovery Service Administration')
+admin.site.site_title = admin.site.site_header
 admin.autodiscover()
 
 urlpatterns = auth_urlpatterns + [