Makefile: Stop generated ChangeLog at v1.2.rc1. If someone wants full history, they can get it from hg.
Makefile: Stop generated ChangeLog at v1.2.rc1.
If someone wants full history, they can get it from hg.

--HG--
branch : HEAD

jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch