Merge branch 'jk/config-get-urlmatch' into maint

"git config --get-urlmatch", unlike other variants of the "git config --get" family, did not signal error with its exit status when there was no matching configuration. * jk/config-get-urlmatch: Documentation/git-config: fix --get-all description Documentation/git-config: use bulleted list for exit codes config: fail if --get-urlmatch finds no value