Fixed issue where cmake (3.2.2) does not understand its own tests (#41)

* Fixed issue where cmake (3.2.2) does not understand its own tests
CMake Error at /usr/local/share/cmake-3.2/Modules/CheckIncludeFiles.cmake:74 (try_compile):
  Unknown extension ".c" for file

* Set PROJECT to default (C/C++) in CMakeLists.txt since specifying CXX would cause problems in some older versions of cmake

CMakeLists.txt

@@ -2,7 +2,7 @@
 # Copyright (C) Electronic Arts Inc.  All rights reserved.
 #-------------------------------------------------------------------------------------------
 cmake_minimum_required(VERSION 3.1)
-project(EASTL CXX)
+project(EASTL)
 
 #-------------------------------------------------------------------------------------------
 # Options
@@ -83,4 +83,3 @@ target_link_libraries(EASTL EABase)
 install(TARGETS EASTL DESTINATION lib)
 install(DIRECTORY include/EASTL DESTINATION include)
 install(DIRECTORY test/packages/EABase/include/Common/EABase DESTINATION include)
-