Add parser

CMakeLists.txt

parser/CMakeLists.txt

parser/call_parser.F90

parser/call_parser.c

parser/call_parser.cpp

parser/call_parser.h

parser/cfg-cmd.cpp

parser/cfg-cmd.h

parser/cfg-value.cpp

parser/cfg-value.h

parser/cfg-vec.cpp

parser/cfg-vec.h

parser/config-parser.cpp

parser/config-parser.h

parser/io-guts.cpp

parser/io-guts.h

parser/lexeme-list.cpp

parser/lexeme-list.h

parser/lexeme-parser.cpp

parser/lexeme-parser.h