added another move constructor to Json::Value
improved UTF8 handling for JSON parsing
greatly improved speed of JSON parsing and printing, mostly by reducing unnecessary allocations and copying
Merge branch 'master' of https://github.com/datacratic/soa
Merge branch 'master' of https://github.com/datacratic/soa
made rotating_file_logger_test less sensitive to machine being under load and timing issues
Merge branch 'master' into logger-std_function_chaining