roll back pipeline kicking shenanigans

Signed-off-by: Karl Isenberg <kisenberg@pivotallabs.com>
add extensive documentation

Signed-off-by: Karl Isenberg <kisenberg@pivotallabs.com>
Update README.md
run cats as system tests step of pipeline
add curl and gcf to image for cats
don't stream cats
Bump src/cf-acceptance-tests, src/inigo

Bump cloudfoundry/cf-acceptance-tests:
  Eric Malm:
     Change delete-user matcher from ExitWith(0) to Say("OK")
     Change delete-org matcher from ExitWith(0) to Say("OK")
     Update README with config file changes
     Rearrange config parameter groups
     Remove explicit space argument from space setup helper function
  phanle:
     Update README
Bump cloudfoundry-incubator/inigo:
  Alex Suraci:
     don't swallow nats errors in test
     fix test pollution via executor runner config
Merge branch 'master' into develop