Removed old TrackMate icons.

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Code style changes.

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Add and use the new logo and icons.

Made by Agnieszka Kawska @ IlluScientia
http://www.illuscientia.com/

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>