[ReST] Implement a rql-table reST directive. Closes #3252856 allowing to call table or derivated view specify headers / cellvids. Also, rql may be split accross several lines which greatly improve readability.

addressbook
basket
blog
book
calendar
comment
company
email
file
folder
i18ncontent
keyword
link
mailinglist
person
tag
timeseries
vcsfile