Update version to 2.1.1-0-SNAPSHOT
Add error message for storage browser
Add create project storage browser #749
Appears that it should be returning ValidatedPlugin instead of Map
Merge pull request #752 from jasonrm/fix-notification-service

Appears that NotificationService should be returning ValidatedPlugin instead of Map
custom email template files with log output attachments
Add documentation for custom email templates
Merge pull request #754 from rundeck/feature/753-custom-email-templates

Custom email templates
Next scheduled execution time shown on execution pages #737
Fix yaml docs for dayofmonth fixes #751
Add loading indicator to storage browser
Update version to 2.1.1-1-GA
Update release notes