Add command-line specifier for user's real name (auto-quoted)

%+ will now expand to the current user's real name, automatically enclosed in quotes if it contains any spaces.
14 jobs for master in 14 minutes and 47 seconds (queued for 14 seconds)
Status Job ID Name Coverage
  Build
passed #27282
FreeBSD
jsdoor-freebsd

00:04:59

passed #27283
Linux
jsdoor-linux

00:10:16

passed #27285
FreeBSD
jsdoor-windows

00:02:13

passed #27277
FreeBSD
sbbs-freebsd

00:06:42

passed #27272
Linux
sbbs-linux

00:14:43

passed #27275
Windows
sbbs-windows

00:05:40

passed #27284
FreeBSD
sexpots-freebsd

00:00:15

passed #27273
Linux
sexpots-linux

00:00:31

passed #27276
Windows
sexpots-windows

00:00:37

passed #27280
FreeBSD
syncdraw-freebsd

00:00:31

passed #27281
Linux
syncdraw-linux

00:01:33

passed #27278
FreeBSD
syncterm-freebsd

00:01:13

passed #27274
Linux
syncterm-linux

00:04:55

passed #27279
FreeBSD
syncterm-windows

00:02:00