fgm/drupal_module__splash: Provide a splash screen on Drupal.

Provide a splash screen on Drupal.

Frédéric G. MARAND 3471257283 First commit (actually 2015/01/10).		8 lat temu
lib	3471257283 First commit (actually 2015/01/10).	8 lat temu
scripts	3471257283 First commit (actually 2015/01/10).	8 lat temu
splash.info	3471257283 First commit (actually 2015/01/10).	8 lat temu
splash.module	3471257283 First commit (actually 2015/01/10).	8 lat temu