First draft of a tool to automate fink source install on 10.9.
Finish the outline of everything the script should do.
Add user interaction messages and choices.
Die if we cannot clear out /sw.
Complete the sentence.
Add some more clears.
Fix spelling.
Fix a variable.
Make some changes based on shellcheck.

http://www.shellcheck.net/
Simpler way of getting file extension.
Better extension choice.
Make it clear that the full xcode install is optional.
Do not add the bindist if it is already there.
Merge pull request #8 from dak180/topic/setup

A script to automate the downloading and installing of fink on 10.9.