Develop 2.1.1
- Traffic rule, field action definition updated to reflect the change in enums for FORWARD_ENCAPSULATED and DUPLICATE_ENCAPSULATED
 - Traffic rule, field dstInterface description updated to match spec.
 - Traffic Rule state descrirption updated to match spec.
 - Dns rule state description updated to match spec
 - Required changes to support the POST API for confirm_ready including the request body AppReadyConfirmation.
 - SerAvailabilityNotificationSubscription will use CategoryRef data type now.CategoryRefs array was there but was using String, now made array of CategoryRef
 - CategoryRef href is now explicitly defined as uri. So the format as uri was added to href attribute definition. Also added an example of uri type
 - Get /services error code 414 is now added
 - Get /applications/{appInstanceId}/services - error code 414 is now added
 - Delete applications/{appInstanceId}/services/{serviceId} is now added
 
Following changes in spec had no impact to yaml
- URI data type is now named as Uri (e.g. For LinkType. This has no impact to yaml since it already uses format uri. e.g. for href attribute of LinkType
 - Types for Sername and SerInstanceId - already taken care in the yaml
 
Attached the word differences between 2.1.1 and 2.0.11worddiff.docx