Merge tag 'v1.5.0'

v1.5.0
Add support for logical operator (AND/OR)
Updated JSDoc comments with content from .md file
Fix typo "Unkown" => "Unknown"
Merge pull request #114 from adamschwartz/master

Fix typo "Unkown" => "Unknown"
Merge pull request #112 from strongloop/feature/logical-operator

Add support for logical operator (AND/OR)
Add a path to show customer.orders(query, cb)
Bump version
Merge branch 'release/1.5.1' into production