Merge tag 'v1.5.0'

v1.5.0
Start to move md to jsdoc
Merge pull request #122 from strongloop/fix/minor-jsdoc

Start to move md to jsdoc
Make sure methods are called in the context of the calling class
Merge pull request #139 from strongloop/feature/fix-app-model

Make sure methods are called in the context of the calling class
Bump version
Merge branch 'release/1.5.1' into production