[maven-release-plugin] copy for tag cnr-enabling-services-2.2.0
added cache layer issn lookups. Lasts 5 min (300 sec) and caches are invalidated each time a subscription is added or removed
using cache for subscription access, added cache manager
using cache for subscription access, more logging
using cache for subscription access
trying to avoid heavy xqueries
Cleaned configuration for interceptor logging request to the persistent existDB
Using customised interceptor to log invocation time of xqueries
Added AOP Interceptors on existDatabase
moved tests resources from src/main to src/test
implemented wide subscription rejection mechanism
use of local service instances
new locators, increased major version
logs
Use of ISSNServiceImpl instead of TestISSNServiceImpl
extracted property driverName
more logging, added empty subscriptionId check during unsubscribe.