Build the email verification url from app context

https://github.com/strongloop/loopback/issues/408
Merge tag 'v2.0.2'

2.0.2
Bump version
Merge pull request #412 from strongloop/feature/fix-issue-408

Build the email verification url from app context
Map exists to HEAD for REST
Fix jsdoc for remoteMethod()
Integration test: embedsMany
Integration test: referencesMany
Fix typo in README
Merge pull request #415 from strongloop/feature/add-remoting-for-exists

Map exists to HEAD for REST
Merge pull request #419 from fabien/feature/new-relations

Integration of the new juggler relations: embedsMany, referencesMany
Return data source for app.dataSource()
Expose Model.exists over HTTP HEAD
Allow custom relation path (http) - enable hasOne remoting access
Merge pull request #423 from strongloop/feature/add-remoting-for-exists

Feature/add remoting for exists
Implement Model.nestRemoting

Explicitly enable another level of nesting/accessing relations; limited
to a depth of 2 levels.
Fix test to be more specific
filterMethod option (fn) to filter nested remote methods
filterMethod can also be a direct callback
Changed options.path to options.http.path