Revert ">8 million probs"

This reverts commit eb56d6d02b21b09952032526aafe5315bd5f27bb.
Revert "twekas for prob csv output"

This reverts commit 57b0763d385436e60c91788685f8c36e16410420.
Revert "tweaks"

This reverts commit 920344b7afb7247e03ca3af8e588681c82a121ad.
Revert "arg for export probs"

This reverts commit b860e37b1634c8f0fb46995fee42f1cda738bccb.
Revert "bug fix for int32_t division"

This reverts commit 64f034236ce309f9f5b5ba036218dc34c1bd8c51.
Revert "write out labels and probabiltiies"

This reverts commit d44a664130f5c9002eb5ec47ea25baca17b1aded.
Revert "int32 not double"

This reverts commit 8f1b7431e93a903f0a0ef558256cc829b1099686.
Revert "working out ROC"

This reverts commit 66448aed23b1633b6b878c8f868fee07ea2a9954.
redo