Simplified the CMakeLists.txt file for the unit tests. Also made it

use Release mode by default.

dlib/test/CMakeLists.txt

@@ -3,12 +3,7 @@
 # information about it at http://www.cmake.org
 #
 
-# setting this makes CMake allow normal looking IF ELSE statements
-SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
-cmake_minimum_required(VERSION 2.4)
-if(COMMAND cmake_policy)
-   cmake_policy(SET CMP0003 NEW)
-endif(COMMAND cmake_policy)
+cmake_minimum_required(VERSION 2.6)
 
 # This variable contains a list of all the tests we are building
 # into the regression test suite.
@@ -138,3 +133,6 @@ endif()
 # library.  
 TARGET_LINK_LIBRARIES(${target_name} dlib )
 
+# make the default build be in "Release" mode
+include(../release_build_by_default)
+