HPCC-15060 Added dependency list for ubuntu 16.04

Signed-off-by: Michael Gardner <michael.gardner@lexisnexis.com>

cmake_modules/dependencies/xenial.cmake

@@ -0,0 +1 @@
+SET_DEPENDENCIES ( CPACK_DEBIAN_PACKAGE_DEPENDS g++ openssh-client openssh-server expect rsync libapr1 python )