modified testcalshims.h to suppoer md5encrypt.c and authkeys.c , added new tests...

bk: 55740111NrCdK5d4xjDJDgqV88UftA

diff --git a/tests/libntp/a_md5encrypt.cpp b/tests/libntp/g_a_md5encrypt.cpp
similarity index 100%
rename from tests/libntp/a_md5encrypt.cpp
rename to tests/libntp/g_a_md5encrypt.cpp

diff --git a/tests/libntp/atouint.cpp b/tests/libntp/g_atouint.cpp
similarity index 100%
rename from tests/libntp/atouint.cpp
rename to tests/libntp/g_atouint.cpp

diff --git a/tests/libntp/authkeys.cpp b/tests/libntp/g_authkeys.cpp
similarity index 100%
rename from tests/libntp/authkeys.cpp
rename to tests/libntp/g_authkeys.cpp