modify i18n-add-language.sh so it can:
- be run from any path
- bootstrap any (or all) po folder(s) with existing language(s)
- (partially) update luci.mk with new languages
deprecate build/i18n-init.sh
Signed-off-by: Paul Donald <newtwen@gmail.com>
Fix shellcheck SC2230
> which is non-standard. Use builtin 'command -v' instead.
Once applied to everything concerning OpenWrt we can disable the busybox
feature `which` and save 3.8kB.
Signed-off-by: Paul Spooren <mail@aparcar.org>
