firefox security update

firefox:
[3.6.9-2.0.1.el5]

• Add firefox-oracle-default-prefs.js and firefox-oracle-default-bookmarks.html
  and remove the corresponding Red Hat ones
  [3.6.9-2]
• Fixed xulrunner version
  [3.6.9-1]
• Update to 3.6.9
  nspr:
  [4.8.6-1]
• update to 4.8.6
  nss:
  [3.12.7-2.0.1.el5_5]
• Update clean.gif in the nss-3.12.7-stripped.tar.bz2 tarball
  [3.12.7-2]
• fix dependencies, undo previous change
  [3.12.7-1]
• Update to 3.12.7
  xulrunner:
  [1.9.2.9-1.0.1.el5]
• Added xulrunner-oracle-default-prefs.js and removed the corresponding
  RedHat one.
  [1.9.2.9-1]
• Update to 1.9.2.9