firefox security update

firefox:
[3.6.7-2.0.1.el5]

• Add firefox-oracle-default-prefs.js and firefox-oracle-default-bookmarks.html
  and remove the corresponding Red Hat ones
  [3.6.7-2]
• Update to 3.6.7 beta2
  [3.6.7-1]
• Update to 3.6.7
  [3.6.4-9]
• Fixed rhbz#531159 - default browser check
  xulrunner:
  [1.9.2.7-2.0.1.el5]
• Added xulrunner-oracle-default-prefs.js and removed the corresponding
  RedHat one.
  [1.9.2.7-2]
• Update to build 2
  [1.9.2.7-1]
• Update to 1.9.2.7
  [1.9.2.4-10]
• Fix a file dependency issue