Add CMake config for out of tree builds

CMakeLists.txt

+# Are we running cmake from this directory (out of tree build) ?
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  cmake_minimum_required(VERSION 2.8.3)
+
+  if(POLICY CMP0058)
+    cmake_policy(SET CMP0058 NEW)
+  endif(POLICY CMP0058)
+
+  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/tools)
+
+  set(SWIG_EXECUTABLE swig CACHE STRING "Swig program")
+
+  find_package(IMP REQUIRED)
+  include(${IMP_USE_FILE})
+
+  enable_testing()
+
+  set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
+
+  # Don't set MACOSX_RPATH by default
+  set(CMAKE_MACOSX_RPATH 0)
+
+  include_directories(SYSTEM ${IMP_INCLUDE_DIR})
+  include_directories("${CMAKE_BINARY_DIR}/include")
+
+  imp_build_module(${CMAKE_SOURCE_DIR} bayesianem)
+
+else()
+  include(ModuleBuild.cmake)
+endif()