Bumped minimum CMake version.

2.8.12 is the lowest known working version number for all platforms. 2.8.7 is known not to work on Ubuntu 12.10.

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8.3)
+cmake_minimum_required (VERSION 2.8.12)
 
 set(TORQUE_APP_NAME "" CACHE STRING "the app name")
 
@@ -8,4 +8,4 @@ endif()
 
 project(${TORQUE_APP_NAME})
 
-add_subdirectory(Tools/CMake)
+add_subdirectory(Tools/CMake)