Acceptance test waits for cf commands to return success

it used to wait for specific messages in output, but this was brittle
since the cli human-readable output changes.
fix repo and release name in README.md

clean up testing instructions
pull in latest version of cmdtest to make tests pass
increase timeout for starting app in integration test

it takes longer than 2 minutes on CI.
Moved to cloudfoundry-incubator org
Change ruby package to submodule and added libyaml blob
Update README.md
Merge pull request #5 from shalako/patch-1

Update README.md
Update README.md
Merge pull request #7 from shalako/patch-4

Update README.md
bump cf-riak-cs-broker version

[#65251984]