Haproxystats

* Declare failure when zero UNIX socket are found
* Rephrase various comments and log messages
* Check queue length when it is safe to do
* Remove shebang and add vim file encoding
* Remove '%' prompt character from instructions
* Move external software under contrib directory
* Fix a typo in README
* Add more keywords in setup.cfg
* Update README
* Ignore pep8 W503
* Increase readability of code
* Remove rst file extension for LICENSE
* Add rst file extension for LICENSE
* Update TODO
* Add missing colons to declare a block
* Update development instructions in README
* Add instructions to build a development environemnt
* Update TODO

* Include average metrics when processing per daemon
* Remove redundant string replacement
* Provide number of metrics which are sent
* Fix a silly bug in conditional statement
* Update docstrings/comments
* Mention that WallClockTime includes sending time
* Add/update docstrings and fix pylint warnings
* Fix a but where we skip CompressBpsIn metric
* Mention in documentation about SslConnPercentage
* Calculate percentage also for SslCurrConns

* Produce statistics for haproxystats-process
* Fix a typo for option name in the puppet module

* Remove check for accessibility for dst-dir and tmp-dst-dir
* Disable some pylint checks
* Calculate percentages for HAProxy workers
* Use correct name
* Add a missing comma
* Update installation instructions

* Add items in TODO
* Add home-page in setup.cfg
* Make sure configuration has valid metric names
* Remove done tasks from TODO

* Add a tcp\_server which simulates graphite-relay
* Add support for per process statistics
* Make it more clear that we perform aggregation