fix i18ncube for pegase where we do strange things by redefining relations

[shell] #715938: support of script parameters (using standard '--' as arguments separator) Arguments after bare "--" string will not be processed by the shell command You can use it to pass extra arguments to your script and expect for them in 'scriptargs' afterwards.

[dbapi] more test and documentation of dbapi

move rarely used (imo) settings to inputlevel3 in cwctl create