Patches

• Chore: update pkg & use jason as absinthe encoder:aa7e47e
• Chore(build): debug travis with pg 9.6:d9315de
• Refactor(deps): use offical deps instead self-maintained ones:acde617
• Fix(github-signin): missing json encoder deps, get Posion back:fad3014
• Feat(community): inc community contribute digest up to 30 days:0996698