java-1.8.0-openjdk security update

[1:1.8.0.51-1.b16]

• Add md5sum for January 2015 java.security update so it gets updated this time.
• Resolves: rhbz#1235162
  [1:1.8.0.51-0.b16]
• July 2015 security update to u51b16.
• Add script for generating OpenJDK tarballs from a local Mercurial tree.
• Add %{name} prefix to patches to avoid conflicts with OpenJDK 7 versions.
• Add patches for RH issues fixed in IcedTea 2.x and/or the upcoming u60.
• Use ‘openjdk’ as directory prefix to allow patch interchange with IcedTea.
• Re-generate EC disablement patch following CPU DH changes.
• Resolves: rhbz#1235162