1.2 released

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Use Xerces2-J 2.12.1
Use Xalan 2.7.2
Use docJGenerator 1.5.3.2
Use MDIFramework 1.3.4
Use MDIUtilities 1.2.15
Use scriptHelper 1.5.15
Use jEditor 1.2.6
Fix some cases where the container used for the validation was undefined
Handle correctly the usage of xml:lang attributes schemas when referencing the xml path