update readme for Wunderground api key in WeatherAgent options
adds foreman and .env.example file
moves secret token into .env
moves ActionMailer config into .env
adds GMAIL_USERNAME to systemmailer
updates readme
adds email from address
ignore empty filter tokens
typo
make more things configurable with .env and pull out deployment defaults
fix failing mail spec and safe_yaml warning
add ability to specify host and port for mysql