Build failed in Jenkins: Eigen Dependency in Indigo

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I tried to release a ROS Indigo version of a package, but I got an email back saying that "the build failed in Jenkins". This seems to be the error:

Could not find a package configuration file provided by "Eigen" with any of
  the following names:

    EigenConfig.cmake
    eigen-config.cmake

However, the package's package.xml has both a build and a run dependency on cmake_modules, and the CMakeLists file contains:

find_package(catkin REQUIRED COMPONENTS cmake_modules [...])

find_package(Eigen REQUIRED)

UPDATE

According to the answer below, I've updated the CMakeLists.txt : https://raw.githubusercontent.com/ate...

However, Jenkins is still failing with the same error message as before.