replace hand-rolled scoped_ptr implementation w/ C++11's std::unique_ptr
remove deprecated serialization
use built-in (u)int64_t types instead of doing tricks with preprocessor macros
remove unneeded constants
remove last remaining blips of hand-rolled type_traits
remove template_util.h that simulated TR1 type_traits
remove more Google/Pagerank specific data types
remove more Google/Pagerank specific data types
use proper C++11 includes
remove unneeded 128bit integer type
remove unneeded ascii types
Merge pull request #74 from mapbox/remove_legacy_coder

remove unused legay code, closes #71