Merge branch 'tc/http-urls-ends-with-slash' into maint

* tc/http-urls-ends-with-slash: http-fetch: rework url handling http-push: add trailing slash at arg-parse time, instead of later on http-push: check path length before using it http-push: Normalise directory names when pushing to some WebDAV servers http-backend: use end_url_with_slash() url: add str wrapper for end_url_with_slash() shift end_url_with_slash() from http.[ch] to url.[ch] t5550-http-fetch: add test for http-fetch t5550-http-fetch: add missing '&&'