ignoring sources of libpqxx
del not using file
Add config test

config test for values
PQXX_HAVE_IOS
PQXX_HAVE_LIMITS
PQXX_HAVE_LONG_DOUBLE
PQXX_HAVE_LONG_LONG
PQXX_HAVE_STREAMBUF
add test PQXX_HAVE_REVERSE_ITERATOR
add check PQXX_HAVE_STRERROR_S
add check PQXX_TR1_HEADERS
add test to PQXXTR1
add check PQXX_HAVE_SHARED_PTR
remove unusage lines