DWDS/Dialing Concordance Code

use exceptions in ConcIndexator.cpp

delete empty lines

delete unused source code

create class CConcordance (for the querying stage), let CConcIndexator be only for indexing stage

move ConcIndexatorInvoker to a separate file

CreateMorphIndex to a separate file

move InitConcordDicts() to InitDicts.cpp: Makefile.am

move InitConcordDicts() to InitDicts.cpp

run ddc_xml in many threads

set C++ 98 for compiling with cmake