Major changes since 2.0 RC2:
- restored backwards compatibility with info_hash fields (introducing the v2-compatible info_hash_t as "info_hashes" instead). This is a major fix to ease upgrade. This brings libtorrent 2.0 much closer to being fully source compatible with 1.2.x. The custom storage API is the main part whose API has changed.
- dropped dependency on iconv
- dropped deprecated wstring overloads of some functions
- merged change from 1.2.x to drop Unicode-licensed code (for Debian compatibility)
- the soname of the libtorrent library is "2.0" and will be . going forward.