mv RTx() right after version to avoid warning like "Cannot determine perl version info"

Makefile.PL

 use inc::Module::Install;
 
+version_from ('lib/RT/Extension/JSGantt.pm');
 RTx('RT-Extension-JSGantt');
+
 author ('sunnavy <sunnavy@bestpractical.com>');
-version_from ('lib/RT/Extension/JSGantt.pm');
 abstract_from('lib/RT/Extension/JSGantt.pm');
 license('GPLv2');
+
 repository 'git://github.com/bestpractical/rt-extension-jsgantt.git';
 
 requires( 'JSON' );