Add Eclipse Builon logo

Signed-off-by: Stéphane Galland <galland@arakhne.org>
Add Xtext logo.

Signed-off-by: Stéphane Galland <galland@arakhne.org>
Put the new Eclipse and Xtext logos in the SARL splash screen.

Signed-off-by: Stéphane Galland <galland@arakhne.org>