On a fresh Mavericks install...

Move existing files to ./.old_dotfiles

mkdir .old_dotfiles
mv .bash_profile .old_dotfiles/
mv .bashrc .old_dotfiles/
mv .profile .old_dotfiles/

Start a symlinking party!

ln -s dotfiles/bash .bash
ln -s dotfiles/bash_profile .bash_profile
ln -s dotfiles/profile .profile
ln -s dotfiles/bashrc .bashrc
ln -s dotfiles/inputrc .inputrc
ln -s dotfiles/ackrc .ackrc