Merge tag 'v1.3.1'

1.3.1
SLA-725 support PORT and HOST environment for PaaS support
Merge pull request #83 from strongloop/feature/paas-defaults

SLA-725 support PORT and HOST environment for PaaS
docs: describe http mapping of arguments
Minor formatting and wording fixes.
Small fix to link text
Merge pull request #84 from strongloop/feature/fix-remote-method-apidocs

docs: describe http mapping of arguments
Fix list format and minor wording fix.
Add blank line before list so it lays out properly.
Make loopback-datasource-juggler a peer dep
Merge pull request #85 from strongloop/feature/juggler-dep

Make loopback-datasource-juggler a peer dep
Bump version
Bump version
Merge branch 'release/1.3.3' into production