Update ggtags version

Signed-off-by: Guillaume Clement <gclement@baobob.org>
Update default theme for who

Signed-off-by: Guillaume Clément <gclement@baobob.org>
Use eldoc for ggtags

Signed-off-by: Guillaume Clement <gclement@baobob.org>
Put back F8/S-F8 for recompile / compile

Signed-off-by: Guillaume Clément <gclement@baobob.org>
Use eldoc by default

Signed-off-by: Guillaume Clément <gclement@baobob.org>