Merge tag 'v1.3.1'

1.3.1
Add contribution guidelines

Uses https://cla.strongloop.com
Normalize the appname

See https://github.com/strongloop/generator-loopback/issues/38
Merge pull request #53 from strongloop/feature/fix-issue-38

Normalize the appname
Bump version
Merge branch 'release/1.3.2' into production