Merge tag 'v0.3.0'

v0.3.0
Update jshint
Apply Dual MIT/StrongLoop license
Install CLI as sl-clusterctl

This is for consistency with strongloop toolbox naming, and to allow
integration as an slc/strong-cli sub-command.
Merge pull request #31 from strongloop/feature/toolbox

Install CLI as sl-clusterctl
example-master, log information about environment

example-master is mostly for testing, log the options loaded, and
information about process identity (master/worker/id/pid).
Prefer cluster to size in command line and config

The name makes more sense when used on a command line, and with
strong-supervisor. Size is still supported.

See SLN-752
Note existence of strong-supervisor in README
Merge pull request #33 from strongloop/feature/usability-tweaks

Feature/usability tweaks
Use 'slc clusterctl' in usage when run from slc
Merge pull request #35 from strongloop/features/slc-support

Use 'slc clusterctl' in usage when run from slc
v0.4.0
Merge branch 'release/0.4.0' into production