Upgrade to scoverage 1.0.1

Note this changes you how do coverage tests, from:

    sbt scoverage:test

to

    sbt coverage test
Upgrade .travisci.yml to scala 2.11.4
Merge pull request #258 from ebowman/travisci

Upgrade .travisci.yml to scala 2.11.4
Merge pull request #257 from ebowman/master

Upgrade to scoverage 1.0.1
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