* there are reports that 0.3.5-x versions do not work on some configs
* the development of the new features moved to the new package (pbr)
* revert to the last known good version of vpn-policy-routing

Signed-off-by: Stan Grishin <stangri@melmac.net>

support for 21.02.0-rc2 and up
support for reloading a single interface on ifup/ifupdate
rename config file
updated shellcheck compatibility
remove obsolete create/remove_lock
interface processing optimizations to speed up reloads
drop dependency on curl in user scripts
uniform styling of functions

Signed-off-by: Stan Grishin <stangri@melmac.net>

Signed-off-by: Stan Grishin <stangri@melmac.net>

Signed-off-by: Stan Grishin <stangri@melmac.net>