DICT servers: Add used strategies to dictionary description
Linux-specific: Update readme.md
Win-specific: Rebuild third-party libraries with Qt 4.8.6 toolchain (http://download.qt-project.org/development_releases/prebuilt/mingw_32/i686-4.8.2-release-posix-dwarf-rt_v3-rev3.7z)
DICT servers: Log human-readable error messages for socket errors
Full-text search: Special handling for CJK chars