collectors/haproxy/ - http tested

collectors/haproxy/spec/haproxy_spec.rb          - stub our own _http_get
collectors/haproxy/spec/haproxy_spec.rb-get.html - sample data
collectors/haproxy/ - simplify testing

collectors/haproxy/lib/panoptimon-collector-haproxy/haproxy.rb - _sock_get() method does readlines
collectors/haproxy/spec/haproxy_spec.rb                        - eliminate TXSocket junk