Fix string linting - remove Indigo strings.

Fix string linting - remove Indigo strings.

Import localized strings with significant changes (ko only)

L10N import and release preparation. (mozilla-mobile#1464)

L10N import and release preparation. (mozilla-mobile#1464)

Update translations for release.

Not shipping are:
* ne-NP
* lt

Update translations for release.

Not shipping are:
* ne-NP
* lt

Prevent onURLChanged() being called with null URL. (mozilla-mobile#1310)

Prevent onURLChanged() being called with null URL. (mozilla-mobile#1310)

Update translations for release.

Only ne-NP will be dropped for the release again. Other (also partial) translations will ship.

Sign-Off:
https://bugzilla.mozilla.org/show_bug.cgi?id=1397663