feature-MICASERVER-92 - implemented join queries
feature-MICASERVER-92 - Renamed package and made some clean ups
feature-MICASERVER-92 - completed the join query execution
Merge pull request #110 from kazoompa/feature-MICASERVER-92

Feature micaserver 92
Harmonization helper web resource added
feature-MICASERVER-92 - added from and size to the queries (forgotten)
Merge pull request #112 from kazoompa/feature-MICASERVER-92

feature-MICASERVER-92 - added from and size to the queries (forgotten)
Merge pull request #111 from obiba/variable-harmonizations-resources

Harmonization helper web resource added