Update the ChangeLog with the changes since v0.8.1 and designate this v0.9.0-b1.

[openvswitch] / utilities / .gitignore

/Makefile
/Makefile.in
/dpctl
/ofp-discover
/ofp-discover.8
/ofp-kill
/ofp-kill.8
/ofp-pki
/ofp-pki-cgi
/ofp-pki.8
/vlogconf