eina-cxx: moved test for ptrlist that was wrongly named as iterator
          Added test for iterator
          Added native_handle functions to get C Eina container pointers
eina-cxx: Added boost in configure.ac and m4 directory for compilation checks
          Using check library for unit testing
          Added type_traits proxy for Boost's or C++11's
          Added more tests for inlists and ptr_lists
          Added clone allocators concept