region selection, colors and other improvements

• separated get_region and get_token into two separate scripts, allowing for independent calls to each if desired; this also allows the implementation of other features mentioned below
• implemented use of new centralized authentication server for easier automation; the new API is located at https://privateinternetaccess.com/gtoken/generateToken
• added server selection capabilities to run_setup.sh, as requested by multiple users
• added one-line call capabilities to run_setup.sh to allow easy automation
• changed PIA_AUTOCONNECT to VPN_PROTOCOL for clarity
• added AUTOCONNECT for one-line calls
• added PREFERRED_REGION for one-line calls
• added colored output to highlight important details
• added input validation for prompts in run_setup.sh

readme improvements and multiple bugfixes

• fixed a bunch of typos
• fixed wrong output in various locations
• added keepalive to WireGuard for compatibility with some firewalls
• cleared a bug where OpenVPN wouldn't connect without PF
• forced locale to avoid curl bugs
• added backwards compatibility for Ubuntu 18.04
• added multiple distributions to the README
• added delay to allow WireGuard to fully connect before getting PF
• made OpenVPN credentials readable only by root
• fixed bug that appeared when IPv6 was disabled via kernel params
• added 3rd party repos to the readme

OpenVPN Support

• added support for OpenVPN connections
• add run_setup.sh script that guides the user through setting up a connection
• applied small changes to the other scripts to keep the repository consistent

Minor bug fixes

• check dependencies within scripts so that they gracefully fail if a dependency is missing
• display IPv6 warning only if IPv6 is enabled
• allow user to overwrite the maximum allowed latency via MAX_LATENCY
• do not display regions that do not allow PF if PF is enabled
• inform user if no server got returned by the region check, so that he can increase the MAX_LATENCY

WireGuard and Port Forwarding

This is the first release for manual-connections, containing documentation and scripts to cover the following requirements:

• obtain the best region from the NextGen server list
• obtain a VPN token that will allow you to create VPN connections and enable Port Forwarding
• create a WireGuard connection to a VPN server
• add Port Forwarding to the WireGuard connection