A few implementation fixes of the NUTS algorithm
Scaled the regularization down to prevent biased estimates when the (co)variance is small
Revert "shuffle using Rscript"

This reverts commit 219a0f4812c5b15199abb64863de9c9480cea89e.
updating make target for bin/print to use bin/libstan.a
Update tests to match rescaled regularization in estimators
test/model/command removing test_specific_values for now
test/model/command removing test_specific_values for now
Add size_type to LDLT_factor.