doc-classif/model-build-wf: new descriptor following oozie-maven-plugin:1.2-SNAPSHOT; changes in pom files indicating to oozie-maven-plugin:1.2-SNAPSHOT
changes in descriptors following changes in model; dependency to oozie-maven-plugin:1.2-SNAPSHOT
Merge pull request #191 from pdendek/master

Amendments in code to use the new model from Oozie Maven Plugin