firefox security update

firefox:
[3.6.7-3.0.1.el5]

• Add firefox-oracle-default-prefs.js and firefox-oracle-default-bookmarks.html
  and remove the corresponding Red Hat ones
  [3.6.7-3]
• Rebuild
  xulrunner:
  [1.9.2.7-3.0.1.el5]
• Added xulrunner-oracle-default-prefs.js and removed the corresponding
  RedHat one.
  [1.9.2.7-3]
• Include fix for 575836