updates to scaffold template and db migration generator
template updates
more opinions.  using application::API as a main mount point
active record exception catching by default
cleanup to templates.  Genericizing the GrapeExtenders module for anything that can be extended from a Grape (or really whatever)
fixing options passing in to_json
rename grape extenders
Merge pull request #36 from jdoconnor/more-template

More template
Update version.rb