Merge pull request #118 from jfmorcillo/convergence_logicielle

Convergence logicielle
dyngroup: if convergence is not available, hide icon
core: easySuggest (possibility to pass a function in ajax_file_path)
core: update databaseObj to convert relations to dict
report: update DB schema automatically
core: pep8 fixes
dyngroup: Display parent group's name for convergence groups

Instead of convergence internal name (deploy-{timestamp})
report: fix simple fuzzy soft count
pkgs: Fixes multiple calls to ajax file while using jqEasySuggest