+configuration:
+- paths (that are substituted in all filenames) are in PATHS (have as few as possible)
+- globals for the daemon are in [gnunetd] (for now, have as few as possible!)
+- all options for a particular module (src/MODULE) are under [MODULE]
+- options for a plugin of a module are under [MODULE-PLUGINNAME]
+- options only for debugging / testing / profiling are under [TESTING],
+ together with the options for the testing module itself
+
+