Disable HSTS on nginx-proxy container as it created duplicate HTTP header

Merge branch 'pirate-patch-1' into master

remove appendonly mode

add line about autostarting on boot

fix example.org domains to example.com, fix typos, improve setup steps

fix url with dangling period

Merge pull request #1 from pirate/patch-2

add configuration section to README explaining common gotchas

update example environment variable config for upload limits

Update cronjob template, add example using expiry time in file name

Configure local storage, add S3 and file upload limit variables

Use newer Docker image by @timvisee

Add hourly cron task to delete old leaked Send files

Revert "Expose Send FILE_DIR variable"

Expose Send FILE_DIR variable