Revert "The cash flow report should ignore splits in trading accounts."

This reverts commit 15e9bde7c3c190cb5385982343c3c545ab513baf.
See bug 622778 and 722140 for more details.
Revert "Round properly when computing fraction of the transaction's value due to a given split."

This reverts commit d33914139411a49429ec485dbd715a8559010945.
See bug 622778 and bug 722140 for more details.
Revert "Bug #622778 Miscalculation in cashflow reports - Step 03"

This reverts commit 77ff6036551905f15c6819c0b2225f069b5f4257.
See bug 622778 and bug 722140 for more details.
Revert "Bug #622778 Miscalculation in cashflow reports - Step 02"

This reverts commit 8a95c0f0b7ee737a5e00225acd4e639f3ce1d1c2.
See bug 622778 and bug 722140 for more details.
Revert "Bug #622778 Miscalculation in cashflow reports - Step 01"

This reverts commit 77340591a90f1eb16871e25f4c8bebad0092f7f2.
See bug 622778 and bug 722140 for more details.