Update README.md

better readme
Update commands

replaced cat at end of file
Update install

settings permissions for .postgresql folder in $DOKKU_ROOT, otherwise it wouldn't be able to write the password-files to that directory
Update README.md
removed cat
Merge pull request #2 from lukas2511/master

working again, also with better readme file
Update commands
Merge pull request #3 from pedroburon/patch-1

Update commands from mongo to postgres
fix permissions after creating postgresql data direcory
Merge pull request #5 from colnpanic/feature/fix-permission

fix permissions after creating postgresql data direcory
Don't build docker image on host, pull from docker registry
Merge branch 'master' of github.com:jeffutter/dokku-postgresql-plugin
docker pull -t doesn't work like i think it does
Add docker-args hook and start container with -name
Shorten container -name
set ENV on install to use params passed in by link
yeah we don't want to replace variables there
Set ENV vars, including a dynamic one. *ENV VARS APPEAR ALPHABETICALLY* so they need to be named so that DATABASE_URL is last
Merge branch 'docker-name-link' of github.com:jeffutter/dokku-postgresql-plugin into docker-name-link