[Makefile.am] Generage ChangeLog from git-log
[Makefile.am] Generage ChangeLog from git-log

danny-ku/pango,Distrotech/pango,kari-lentz/alpha-pango,kari-lentz/alpha-pango,zsx/pango,OpenInkpot-archive/iplinux-pango1.0,bratsche/pango,Distrotech/pango,OpenInkpot-archive/iplinux-pango1.0,zsx/pango,danny-ku/pango,OpenInkpot-archive/iplinux-pango1.0,zsx/pango,Distrotech/pango,bratsche/pango,bratsche/pango,kari-lentz/alpha-pango,zsx/pango,kari-lentz/alpha-pango,danny-ku/pango,bratsche/pango