allow logging to stdout
Merge pull request #193 from schmurfy/log_stdout

Logging to stdout
don't start the sync log loop automatically
don't compare arrays since the order can change
rename checkers.go to in_range.go
ignore order of points at the same time when comparing series
document logging to stdout option in the toml file
ignore the order of points in the assertion
keep trying until the requests are replayed
stop test execution as soon as a failure is detected
Close #195. Allow configuring bind address
fix #33. Don't call WriteHeader more than once
fix #199. make the test timeout configurable.
wait for the changes to propagate
retry failed raft commands
run tests in verbose mode to send output to travis

travis will occasionally think that the tests are hung because it
doesn't get output from the process.
fix #200. Select query shouldn't fail if time was among the selected columns
update the changelog
fix a log statement
wait for data to get replicated