add cleaning script
fix move_storage bug when using fail_if_exist as well as use the boost::system::errc::file_exists as error code for that case
merged fix from RC_0_16
merged fix from RC_0_16
fix typo in move_storage
fix move_storage fail_if_exist logic. First check to see if the root folder exists, as an early exit
merged fixes from RC_0_16
merged changes from RC_0_16
update email in set_version and update changelog