NXP-15042: avoid npe
NXP-15087 Elasticsearch Backend for Audit : WIP
NXP-15266 Add a service to generate sequences on top of elasticsearch backend.
NXP-15087 Interate the new sequence generator to make Audit work for more than 1 event !
NXP-15087 integrate basic Query Builder
Merge branch 'master' into feature-NXP-14879-aggregates-ben
NXP-14879: fix string format depending on locale