WIP: Implement `--proxy` as a shorthand for `--http-proxy` & `--https-proxy`
- src/options.c: Implement
--proxy
as a shorthand for--http-proxy
&--https-proxy
- src/wget_options.h: Add
--proxy
option
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
--proxy
as a shorthand for --http-proxy
& --https-proxy
--proxy
option