Haproxy-log-analysis

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- Allow a hostname on the syslog part (not only IPs)
[danny crasto]

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- Make syslog optional.
Fixes issue https://github.com/gforcada/haproxy_log_analysis/issues/10.
[gforcada]

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- Fix issue 9.
log line on the syslog part was too strict,
it was expecting the hostname to be a string and was
failing if it was an IP.
[gforcada]

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- Finally really fixed issue 7.
``namespace_packages`` was not meant to be on setup.py at all.
Silly copy&paste mistake.
[gforcada]

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- Fix release on PyPI.
Solves GitHub issue 7.
https://github.com/gforcada/haproxy_log_analysis/issues/7
[gforcada]

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- Fix release on PyPI (again).
[gforcada]