remove turn from test suite

support has been dwindling a bit for turn and the author has moved on. update test runners

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add bundler to travis tests

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
switch from bundler -> rubysl for rubinius

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
remove rubysl calls from travis and switch to rbx-2.2.6

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add other rubinius versions for 2.2.x

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add rubysl to dependencies for rbx

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
update gemfile.lock + make sure rubysl is only necessary for rubinius

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
simplify rubinius testing to rbx-2

see: https://github.com/tarcieri/http/pull/79\#issuecomment-34628465
Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #40 from gittalk/test-runner

remove turn from test suite