Added trailing slashes otherwise the course_id regex sometimes eats up get parameters.

LMS-2738

common/djangoapps/course_modes/urls.py

@@ -5,5 +5,5 @@ from course_modes import views
 
 urlpatterns = patterns(
     '',
-    url(r'^choose/(?P<course_id>[^/]+/[^/]+/[^/]+)$', views.ChooseModeView.as_view(), name="course_modes_choose"),
+    url(r'^choose/(?P<course_id>[^/]+/[^/]+/[^/]+)/$', views.ChooseModeView.as_view(), name="course_modes_choose"),
 )

lms/djangoapps/courseware/features/certificates.py

@@ -281,7 +281,7 @@ def see_that_i_am_on_the_verified_track(step):
 
 @step(u'I leave the flow and return$')
 def leave_the_flow_and_return(step):
-    world.visit('verify_student/verified/edx/999/Certificates')
+    world.visit('verify_student/verified/edx/999/Certificates/')
 
 
 @step(u'I am at the verified page$')

lms/djangoapps/verify_student/urls.py

@@ -5,19 +5,19 @@ from verify_student import views
 urlpatterns = patterns(
     '',
     url(
-        r'^show_requirements/(?P<course_id>[^/]+/[^/]+/[^/]+)$',
+        r'^show_requirements/(?P<course_id>[^/]+/[^/]+/[^/]+)/$',
         views.show_requirements,
         name="verify_student_show_requirements"
     ),
 
     url(
-        r'^verify/(?P<course_id>[^/]+/[^/]+/[^/]+)$',
+        r'^verify/(?P<course_id>[^/]+/[^/]+/[^/]+)/$',
         views.VerifyView.as_view(),  # pylint: disable=E1120
         name="verify_student_verify"
     ),
 
     url(
-        r'^verified/(?P<course_id>[^/]+/[^/]+/[^/]+)$',
+        r'^verified/(?P<course_id>[^/]+/[^/]+/[^/]+)/$',
         views.VerifiedView.as_view(),
         name="verify_student_verified"
     ),
@@ -41,7 +41,7 @@ urlpatterns = patterns(
     ),
 
     url(
-        r'^midcourse_reverify/(?P<course_id>[^/]+/[^/]+/[^/]+)$',
+        r'^midcourse_reverify/(?P<course_id>[^/]+/[^/]+/[^/]+)/$',
         views.MidCourseReverifyView.as_view(),  # pylint: disable=E1120
         name="verify_student_midcourse_reverify"
     ),