Merge branch '0.7.x-stable'

Merge branch '0.7.x-stable'

* 0.7.x-stable:
  GNUmakefile: glob all files in bin/*
  Disable formatting for command-line switches
  test_response: correct OFS test
  http_response: allow string status codes
  Enforce minimum timeout at 3 seconds
  configurator: fix rdoc formatting
  Preserve 1.9 IO encodings in reopen_logs
  Fix a warning about @pid being uninitialized
  TUNING: add a note about somaxconn with UNIX sockets
  Ignore unhandled master signals in the workers
  Safer timeout handling and test case
  app/old_rails: correctly log errors in output
  Add TUNING document
  app/exec_cgi: GC prevention
  Add example init script
  test_upload: still uncomfortable with 1.9 IO encoding...
  test_request: enable with Ruby 1.9 now Rack 1.0.0 is out