Prevents duplicate events from being generated using DJ and Postgres (#1501)
Prevents duplicate events from being generated using DJ and Postgres (#1501)

- Now workers can be scaled independently on Heroku to address extra load
Fixes cantino/huginn#1454
cantino/huginn,djolivier/huginn,albertsun/huginn,johnleeming/huginn,eugenesvk/huginn,younata/huginn,CodeHunter2006/huginn,albertsun/huginn,dsander/huginn,jezcope/huginn,huginn/huginn,johnleeming/huginn,younata/huginn,megaxox/huginn,breandan/huginn,darrencauthon/huginn,virtadpt/huginn,huginn/huginn,Ishfal/huginn,virtadpt/huginn,djolivier/huginn,huginn/huginn,gautamkrishnar/huginn,omniscopeio/huginn,naiyt/huginn,omniscopeio/huginn,naiyt/huginn,eugenesvk/huginn,CodeHunter2006/huginn,brianpetro/huginn,dsander/huginn,dsander/huginn,strugee/huginn,brianpetro/huginn,breandan/huginn,virtadpt/huginn,megaxox/huginn,eugenesvk/huginn,Ishfal/huginn,brianpetro/huginn,jezcope/huginn,gautamkrishnar/huginn,darrencauthon/huginn,mathias/huginn,strugee/huginn,ahmadassaf/IFTTT-Plus,Ishfal/huginn,MadBomber/huginn,omniscopeio/huginn,mathias/huginn,naiyt/huginn,albertsun/huginn,darrencauthon/huginn,cantino/huginn,gautamkrishnar/huginn,CodeHunter2006/huginn,strugee/huginn,MadBomber/huginn,breandan/huginn,ahmadassaf/IFTTT-Plus,ahmadassaf/IFTTT-Plus,mathias/huginn,johnleeming/huginn,djolivier/huginn,megaxox/huginn,cantino/huginn,younata/huginn,jezcope/huginn,MadBomber/huginn