Upgrade libs
Merge pull request #254 from gilt/upgrade

Upgrade libs
Add UI to subscribe to various email notifications
Filter admin subscriptions from UI
Auto purge subscriptions which require admin
Replace ValidationError with com.gilt.apidoc.models.Error
Remove generator dependency from api project
Remove println
Fix typo in example
Wire up email notification on membership creation
Add email notification when service is created
Add links to email alerts
Use long for limit/offset type. Standardize defaults to 25 (except for list of generators)
Move sql for authorization to Authorization class directly
Optimize query when we have the metadata table
Rename Membership class to MembershipsDao

 - Avoid conflict with Membership case class
Standardize naming of Dao classes and tests
Remove println
Start app in specs
Add more reserved words