1. Replace STLDeleter with unique_ptr in container, which is
supported in C++11
2. Replace string_as_array with &string[0] which is guaranteed
to work in C++11
Change-Id: I7f39c0e51fc8a3fcbb41313094a0ca6b33db7bf3
Packager should not care about this flag, whether it is supported
is up to the decoder.
Closes#126
Change-Id: I5e05d291eab01375f7f11c951b9dc93c1358c38a