use c++0x instead of c++11

Author: take-cheeze

.travis.yml

@@ -7,7 +7,7 @@ after_script:
   - make test
 env:
   global:
-    - CXX11_FLAGS="-std=c++11 -DEA_COMPILER_HAS_MOVE_SEMANTICS -DEA_COMPILER_HAS_VARIADIC_TEMPLATES"
+    - CXX11_FLAGS="-std=c++0x -DEA_COMPILER_HAS_MOVE_SEMANTICS -DEA_COMPILER_HAS_VARIADIC_TEMPLATES"
     - COMPILER_FLAGS="-Wall -Wextra"
     - CMAKE_BUILD_TYPE=DEBUG # RELEASE
   matrix: