rubygem-bundler and rubygem-thor security, bug fix, and enhancement update

rubygem-bundler
[1.7.8-3]

• Enforce higher Thor version, which is required by Bundler.
  Related: rhbz#1194243
  [1.7.8-2]
• Update to Bundler 1.7.8.
  Resolves: rhbz#1194243
• Use symlinks for vendored libraries.
  Resolves: rhbz#1163076
  [1.3.1-3]
• Mass rebuild 2013-12-27
  [1.3.1-2]
• Always include Patch100 in SRPM.
  [1.3.1-1]
  rubygem-thor
  [0.19.1-1]
• Update to thor 1.19.1.
  Resolves: rhbz#1209921