Disregard the above post. I found the answer in /usr/share/doc/synaptics-0.14.0/INSTALL
My first attempt, I goofed it up and had to revert my xorg.conf back. My second attempt succeeded, and I now have full functionality of the scroll bar.
It also seems to be not as sensitive as it was before. The only thing I don't have is a middle-click function for pasting, but I can work around that.