Update cdi.itests class and method names to contain the "CDI12" string instead of containing the "CDI11" string

CDI version in cdi.itests has been updated from version 1.1 to version 1.2; Perform all necessary refactoring to keep the code clean:

• classes and methods in cdi.itests still contains the "CDI11" string in its names, the names must be renamed to contain the "CDI12" string instead
• perform all other necessary changes to complete the update from CDI version 1.1 to CDI version 1.2 (changes in pom.xml, changes in Jenkins settings)