Merge branch 'ms/remote-usage-string'

Adds some subcommands that were not listed in "git remote --help"
usage strings.

As an independent follow-up, we may want to rethink how the overall
usage string and subcommand usage strings are maintained.

By Michael Schubert
* ms/remote-usage-string:
  remote: update builtin usage

builtin/remote.c

@@ -9,7 +9,7 @@
 
 static const char * const builtin_remote_usage[] = {
 	"git remote [-v | --verbose]",
-	"git remote add [-t <branch>] [-m <master>] [-f] [--mirror=<fetch|push>] <name> <url>",
+	"git remote add [-t <branch>] [-m <master>] [-f] [--tags|--no-tags] [--mirror=<fetch|push>] <name> <url>",
 	"git remote rename <old> <new>",
 	"git remote rm <name>",
 	"git remote set-head <name> (-a | -d | <branch>)",
@@ -17,7 +17,7 @@ static const char * const builtin_remote_usage[] = {
 	"git remote prune [-n | --dry-run] <name>",
 	"git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]",
 	"git remote set-branches [--add] <name> <branch>...",
-	"git remote set-url <name> <newurl> [<oldurl>]",
+	"git remote set-url [--push] <name> <newurl> [<oldurl>]",
 	"git remote set-url --add <name> <newurl>",
 	"git remote set-url --delete <name> <url>",
 	NULL