icedtea-web security update

[1.2.3-2]

• Added (temporally!) posttrans forcing creation of symlinks
  • should be removed next release
• Resolves: rhbz#949094
  [1.2.3-1]
• fixed postun - removal of alternatives for plugin restricted to
  (correct) removal process only
• fixed date in changelog previous entry
• Resolves: rhbz#949094
  [1.2.3-0]
• Updated to latest ustream release of 1.2 branch - 1.2.3
• Security Updates
• CVE-2013-1927, RH884705 - fixed gifar vulnerability
• CVE-2013-1926, RH916774: Class-loader incorrectly shared for applets with same relative-path.
• Common
• PR1161: X509VariableTrustManager does not work correctly with OpenJDK7
• Plugin
• PR1157: Applets can hang browser after fatal exception
• Removed upstreamed patch 0- icedtea-web-PR1161.patch
• Resolves: rhbz#949094