Merge tag 'v1.1.0'

v1.1.0
runctl: notify parent process of worker status
Merge pull request #66 from strongloop/feature/state-notify

runctl: notify parent process of worker status
Make cpu-stop consistent with heap-snapshot

* Pass file path to and save file on the backend.
* Make both commands return the file path of the saved profile data.
* Make errors reported during profiling are printed to console.
package: cluster-control and log-transformer 1.x
run: refactor usage into a text file
Merge pull request #68 from strongloop/feature/refactor-usage

run: refactor usage into a text file
v1.1.1
Merge branch 'release/1.1.1' into production