moved user and workout permission checks to rules

updated workoutviews, rest of views not done
doesn't pass tests

rowers/c2stuff.py

@@ -14,6 +14,7 @@ import datetime
 from requests import Request, Session
 import rowers.mytypes as mytypes
 from rowers.mytypes import otwtypes
+from rowers.rower_rules import is_workout_user
 from iso8601 import ParseError
 
 import numpy
@@ -863,7 +864,7 @@ def workout_c2_upload(user,w):
     r = Rower.objects.get(user=user)
 
     # ready to upload. Hurray
-    if (checkworkoutuser(user,w)):
+    if (is_workout_user(user,w)):
         c2userid = get_userid(r.c2token)
         if not c2userid:
             raise NoTokenError("User has no token")