DWDS/Dialing Concordance Code

* fixed file-descriptor leak in catch-clause of CDDCBranchServer::handle__run_query()
> + was being regularly invoked by pnn for overflowing count-queries: "count(Haus) #by[date/100]" -start 99 -limit 10
> + underlying exception is bogus here too, but fd-leak is a killer

+ ddcMMap.cpp - added missing m_mmap.close() for ddcFileOrMMap::Close()

+ tagging & releasing v2.2.2

+ added 'nfd' attribute to daemon 'status' responses (number of open file descriptors, via /proc/PID/fd/)

+ v2.2.2-rc3: various tweaks for less painful compilation with clang (clang++-6.0)

+ various tweaks for less painful compilation with clang (clang++-6.0)

* remove non-ASCII constants in ddc_morph_gen.cpp

* remove non-ASCII constants in CreatePredictionBase.cpp

* remove non-ASCII constants in Morphan.cpp

* remove non-ASCII constants in Lemmatizers.cpp