Added C++11 requirement to CMakeLists.txt. This is required by clang and gcc because they do not default to C++11 and need an extra flag to be passed (-std=c++11). This makes cmake emit that flag.
Added C++11 requirement to CMakeLists.txt.
This is required by clang and gcc because they do not default to C++11
and need an extra flag to be passed (-std=c++11). This makes cmake emit
that flag.

billyquith/camp