feat: check database version compatibility#3310

Merged

thibaultcha merged 3 commits intomasterfrom feat/check-db-compat

Mar 27, 2018

+234-14

Commits on Mar 17, 2018

feat(log) logging module fallbacks to ngx.log outside of CLI
thibaultcha
committed
feat(dao) check for database compatibility in :init()
thibaultcha
committed
chore(constants) add PostgreSQL & Cassandra supported versions
thibaultcha
committed