Use output folder parameters
preliminary support for simple tables
use the name() function to feed the outputclass attribute value
more use cases in the test rst topic
merged field_list and definition_list templates (same output)
enable nested topicrefs in the map

The for-each loop over sections has been replaced by an apply-templates in 'topicref' mode.
The 'topicref' mode wraps every section in the parent topicref and applies the section itself
in the 'result-document' mode to actually create a topic.