Make ACL model subclassing friendly
Remove the dangling require
Make sure defaultPermission is checked
Merge pull request #143 from strongloop/feature/fix-acl-model

Fix ACL model
Fix the jsdoc for loopback.getModel()
Clean up loopback.js doc and add it to docs.json
Merge pull request #146 from strongloop/feature/DFD-48

Clean up loopback.js doc and add it to docs.json
Bump version
Merge branch 'release/1.5.2' into production