TS-1333 add test files to .gitignore
TS-1333 add respawn to default global options
TS-1333 correctly fetch respawn value from options
TS-1333 fix respawn option for v1 scripts
TS-1333 improve nil filter for options
TS-1333 add test for respawn option
TS-1333 add respawn default option to documentation
TS-1333 update documentation of default config file
Merge pull request #6 in DEP/upstart-exporter from feature-TS-1333-respawn to master

* commit 'd610990500cd55942e07764a716de7b0ea0e59bc':
  TS-1333 update documentation of default config file
  TS-1333 add respawn default option to documentation
  TS-1333 add test for respawn option
  TS-1333 improve nil filter for options
  TS-1333 fix respawn option for v1 scripts
  TS-1333 correctly fetch respawn value from options
  TS-1333 add respawn to default global options
  TS-1333 add test files to .gitignore