instal pymysql for python
spray: update to latest spray milestone, 1.1-M8
spray: implement `/plaintext` handler
spray: add proper unknown resource handling
spray: make `/stop` working again
spray: actually configure `/plaintext` url
add --pipeline to wrk command for plaintext test
Merge branch 'master' of te.github.com:TechEmpower/FrameworkBenchmarks
Merge branch 'update-to-new-spray-version' of https://github.com/jrudolph/FrameworkBenchmarks into jrudolph-update-to-new-spray-version
Having some difficulty with the pipeline version of wrk and multiple request headers. Limiting the number of headers for Round 6 until we can get to the bottom of it.