added a full list of SlickVPN configs (second attempt)

feat(web-ui): add transmission-web-control UI

This is based upon the project https://github.com/ronggang/transmission-web-control/

Add PIA TCP profiles and new Las Vegas server

Added Support for Provider TunnelBear

Update README.md

Fix for leading or trailing space in OPENVPN_CONFIG.

Firewall feature changes & OPENVPN_CONFIG fix.

Changed to split on comma as many openvpn configs have space in the name.

Added a bit more validation that a provider is set.

Updated docs.

Extended LOCAL_NETWORK to support comma seperated list of /CIDR.

Minor firewall cleanups. Removed specified TCP in range allow. No point, we don't specify tcp/udp anywhere else.

Formatting changes (BASH 3+ style).

Cleaned removed external [ ] calls. Use builtin [[ ]].

Use ${VAR,,} to lowercase isntead of TR.

Fix settings.json file attributes on Synology NAS.

Add support for multiple servers in OPENVPN_CONFIG

Use same rpi-raspbian:stretch image for proxy

Use the same resin/rpi-raspbian:stretch image for proxy to not have to download another image and save space.

Move file permission settings to userSetup.sh

Move file permission settings to userSetup.sh

Add a Gitter chat badge to README.md

Add missing bash dependency in Alpine image

By default in Synology NAS the user Root creates files with the permissions "---------" (0).
Other users can't access to file after chown.

Fix #423