Add API translator
Add JSON APIs and raw source
Add buffer check and export AWS.API.Translator
Load JSON files when defining services
Add script to translate source API files
Fix lint warnings
Replace forEach with AWS.util.each
Refactor browser builder to support API JSON files.

Also support specifying fuzzy versions from services input, like:

s3=latest,dynamodb=2012-01-01

Which will use the latest version for S3 and the latest version at
2012-01-01 of DynamoDB.
Add API and documentation tasks
Add custom documentation generation templates
Update translate-api to use model name from service