Fix VTGate handling of keyspace redirection
Fix VTGate handling of keyspace redirection
Update VTGate handling of keyspace redirection
Update VTGate handling of keyspace redirection
Merge branch 'master' of https://github.com/youtube/vitess
acl: Simple ACL framework
Fix integration test: vertical_split_vtgate.py
query service: policy checks for URLs

Also added a falllback policy that denies
all access if the requested policy could not
be found.
Merge branch 'master' into vtocc
Better comments.
Merge branch 'master' into replication