PCT-617: hotfix, user should be warn if request took at least 5s, not 0s
Re-word the error message.
Merge pull request #57 from percona/PCT-617_dial_tcp_io_timeout

PCT-617: hotfix, user should be warn if request took at least 5s, not 0s
Merge pull request #58 from percona/release

Release v1.0.3 (installer hotfix)