cwclientlib #4508410 cwcproxy.rql: allow to pass a custom path [validation pending]

instead of hardwritten /view

also allow to give some form parameters to a simple rql query

prioritynormal
typeenhancement
done in0.2.0
load0.500
load left0.000
closed by#bd31ead8fb9f [cwproxy.rql] allow to specify the path and some form parameters (closes #4508410)
patch[cwproxy.rql] allow to specify the path and some form parameters (closes #4508410) [applied]