GIT_SILENT Bump version to celebrate KDE Applications 18.04.

This isn't for any kind of formal release (kdesrc-build is not part of
KDE Applications), but rather to make git-describe more relevant.

modules/ksb/Application.pm

@@ -2545,7 +2545,7 @@ module set (as set with a module-set declaration).
 If you don\'t specify any particular module names, then every module you have
 listed in your configuration will be built, in the order listed.
 
-Copyright (c) 2003 - 2017 Michael Pyne <mpyne\@kde.org>, and others.
+Copyright (c) 2003 - 2018 Michael Pyne <mpyne\@kde.org>, and others.
 
 The script is distributed under the terms of the GNU General Public License
 v2, and includes ABSOLUTELY NO WARRANTY!!!

modules/ksb/Version.pm

@@ -10,7 +10,7 @@ use IPC::Cmd qw(run can_run);
 
 # It is expected that future git tags will be in the form 'YY.MM' and will
 # be time-based instead of event-based as with previous releases.
-our $VERSION = '17.12';
+our $VERSION = '18.04';
 
 our $SCRIPT_PATH = ''; # For auto git-versioning