Merge tag 'v1.4.0'

1.4.0
model: prompt for base model

Let the user select the base model. Offer a default value based
on the datasource (connector) which the model will be attached to.
Merge pull request #65 from strongloop/feature/prompt-for-model-base

model: prompt for base model
v1.5.0
Merge branch 'release/1.5.0' into production