Changes

The integration tests on Jenkins fails eventually by a permaspace out of
memory.
There is an existing issue with ImageIO plugins in the
deployment/undeployment processes with Wildfly.
This commit is to invoke automatically the IIOProviderInitializer
technical service for the integration tests in order to load and unload
correctly all the ImageIO plugins during the deployment and undeployment
of the war archives in Wildfly for tests.