How to install pr2 teleop on indigo

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I tried to git clone the package from here. But after doing catkin_make I got the following error.

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

    app_managerConfig.cmake
    app_manager-config.cmake

  Add the installation prefix of "app_manager" to CMAKE_PREFIX_PATH or set
  "app_manager_DIR" to a directory containing one of the above files.  If
  "app_manager" provides a separate development package or SDK, be sure it
  has been installed.
Call Stack (most recent call first):
pr2_apps/pr2_app_manager/CMakeLists.txt:3 (find_package)

Please help. Thanks in advance.