nss and nspr security, bug fix, and enhancement update

nspr
[4.9.1-4]

• Resolves: rhbz#834219 - Fix postinstall scriptlet failures
• Fix %post and %postun lines per packaging guidelines
• Updated License: to MPLv2.0 per upstream
  [4.9.1-3]
• Resolves: rhbz#834219 - Ensure nspr-config.in changes get applied
  [4.9.1-2]
• Resolves: rhbz#834219 - restore top section of nspr-config-pc.patch
• Needed to prevent multilib regressions
  nss
  [3.13.5-4.0.1.el5_8 ]
• Update clean.gif in the tarball
  [3.13.5-4]
• Related: rhbz#834219 - Fix ia64 / i386 multilib nss install failure
• Remove no longer needed %pre and %preun scriplets meant for nss updates from RHEL-5.0
  [3.13.5-3]
• Resolves: rhbz#834219 - Fix the changes to the %post line
• Having multiple commands requires that /sbin/lconfig be the beginning of the scriptlet
  [3.13.5-2]
• Resolves: rhbz#834219 - Fix multilib and scriptlet problems
• Fix %post and %postun lines per packaging guildelines
• Add %{?_isa} to tools Requires: per packaging guidelines
• Fix explicit-lib-dependency zlib error reported by rpmlint
  [3.13.5-1]
• Resolves: rhbz#834219 - Update RHEL 5.x to NSS 3.13.5 and NSPR 4.9.1 for Mozilla 10.0.6