Bump poll interval from 10 s to 60 s.
Bump poll interval from 10 s to 60 s.

With recent CCC-related attention we have a lot more proxies (about 150
currently), so no need to poll so fast.

glamrock/flashproxy,glamrock/flashproxy,infinity0/flashproxy,infinity0/flashproxy,arlolra/flashproxy,infinity0/flashproxy,glamrock/flashproxy,arlolra/flashproxy,infinity0/flashproxy,arlolra/flashproxy,arlolra/flashproxy,glamrock/flashproxy,arlolra/flashproxy,glamrock/flashproxy,infinity0/flashproxy,arlolra/flashproxy,glamrock/flashproxy,infinity0/flashproxy,arlolra/flashproxy