Imporve error messaging and add tracing to the omp_alloc allocator.
Imporve error messaging and add tracing to the omp_alloc allocator.

git-svn-id: cc79cd25126e44b4ba9d49bf40f588899113815d@1941 0e562018-b8fb-0310-a933-ecf073c7c197

tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror