Added --version-full which prints version and commit ID.

Tutorials/Administration-Tutorial.md

@@ -44,6 +44,7 @@ Switch|Long Option|Description
 `-s [yes no]`|`--syslog=[yes no]`|log messages to syslog (default:yes)
 `-S [yes no]`|`--maxscalelog=[yes no]`|log messages to MaxScale log (default: yes)
 `-v`|`--version`|print version info and exit
+`-V`|`--version-full`|print version info and the commit ID the binary was built from
 `-?`|`--help`|show this help
 
 <a name="stopping"></a> 

maxscale.1

@@ -56,6 +56,9 @@ Log messages to MaxScale's own log files.
 .BR "-v, --version"
 Print version information and exit.
 .TP
+.BR "-V, --version-full"
+Print full version information including the Git commit the binary was built from and exit.
+.TP
 .BR "-?, --help"
 Show the help information for MaxScale and exit.