(bug 2288) move poll-related RPC endpoints to routing
(bug 5146) Remove code allowing Template Toolkit to use BML schemes

'global' was the last one, now it's a special scheme that will
work from either tt or bml.
(bug 2288) Fix minor issues
Merge pull request #456 from anall/feature/Bug2288-Poll

(bug 2288) move poll-related RPC endpoints to routing
Merge pull request #458 from anall/feature/Bug5146

(bug 5146) Remove code allowing Template Toolkit to use BML schemes