Adding the simplest "offer" form
Add oauth and a small twitter wrapper library.
Add a method to fetch a user's public tweets.

TODOs:
- Not a good idea to keep secrets in config file, thats gets checked in.
- Just public tweets? Use authentication on the user, instead of using
my access key.
Bring in HTMLFrameMojit to enable binders functionality.
Populate the tweets with radio buttons..

TODO: UI needs refinemennt by a lot.
Give the url of the offer to the user, post-creation.