Issue 1: Java class-loader leak, due to a JAXB dependency
a. Deadlock when the alarm subscription queue is full
b. Missing attribute ID in updates for requested attributes.
c. When subscriptions were sent for attributes specifying notify-of-changes=true, updates were sent for all attributes.
Issue 3: Spectrum was not handling large amount of REST queries using filter criteria.
Issue 4: The Integer class was not supported by model actions.