use new API verbs

lms/lib/comment_client/comment.py

@@ -78,8 +78,8 @@ def _url_for_comment(comment_id):
 
 
 def _url_for_flag_abuse_comment(comment_id):
-    return "{prefix}/comments/{comment_id}/abuse_flags".format(prefix=settings.PREFIX, comment_id=comment_id)
+    return "{prefix}/comments/{comment_id}/abuse_flag".format(prefix=settings.PREFIX, comment_id=comment_id)
 
 
 def _url_for_unflag_abuse_comment(comment_id):
-    return "{prefix}/comments/{comment_id}/abuse_unflags".format(prefix=settings.PREFIX, comment_id=comment_id)
+    return "{prefix}/comments/{comment_id}/abuse_unflag".format(prefix=settings.PREFIX, comment_id=comment_id)

lms/lib/comment_client/thread.py

@@ -121,11 +121,11 @@ class Thread(models.Model):
 
 
 def _url_for_flag_abuse_thread(thread_id):
-    return "{prefix}/threads/{thread_id}/abuse_flags".format(prefix=settings.PREFIX, thread_id=thread_id)
+    return "{prefix}/threads/{thread_id}/abuse_flag".format(prefix=settings.PREFIX, thread_id=thread_id)
 
 
 def _url_for_unflag_abuse_thread(thread_id):
-    return "{prefix}/threads/{thread_id}/abuse_unflags".format(prefix=settings.PREFIX, thread_id=thread_id)
+    return "{prefix}/threads/{thread_id}/abuse_unflag".format(prefix=settings.PREFIX, thread_id=thread_id)
 
 
 def _url_for_pin_thread(thread_id):