remove debugging statement
add cjson checking
same fixes committed elsewhere, but hanged if I know how to do it right yet...
update IPv6 files
removed redundant files
update from datasvc branch, the hard way... (bleargh!)
add missing datasvc APIs
catch up with changes in webapp branch
catch up with changes from LifeCycle branch
update ChangeLog for 4.1.3 release
bump version to 4_1_3
separate out the "drop old role" and "create new role" parts, so that creating a brand new role will not die with error
add update on t_dps_dataset.is_open and t_dps_subs_param.is_custodial to operators