Update dateTimeToLocalDateString to accept options

- options allows you to pass a format string
Remove 'public' modifier
Fix random file formatting change... err?
Fix breaking test due to incorrect hour format
Update utcMysqlDateStringToLocalDateString

Make use of options object to allow custom formatting
of date strings on a case by case basis
Refactor into a non static regular class
Merge pull request #1 from mediasuitenz/remove_env_vars

Remove env vars