files, which are now located in data/glade/

do not maximize history manager (let the user do it if he wants) and also make sure user was warned that running Gajim and touching logs db crazily can end up in useless db or whatever chaotic problems

if user removes sth, ask him on quiting about VACUUM and if he likes that do it (sqlite docs say it can take sometime one large db (I cannot test, YANN?) and it is why I do not do it automatically; also fix a bug on massively deleteing contact logs

you can now delete one of more contact logs from database. all should work (else it is a bug) apart from searching which is coming soon