Add an arethusa util object
Add a little xml2json library
Allow multiple retrievers for state
Add and use new text template
Allow multi-retrieval of services in conf
Add some xml functions to arethusaUtil
Add arethusaUtil to index
Add example treebank file
Allow multi-retrieval in state
Parse from treebank template in tokenRetriever
Extract more info from treebank xml
Add debug variable to MainCtrl

To enable it only if we need it.
Add Caesar fake form for debugging
Add postag schema to configuration
Show postag in morph2 template
Retrieve lemma from template
More flexible deselector directive
Add simple directive to debug state
Some updates to form retrieval in morph
Comment about state of morph_form directive