Add empty seesaw.asciidoc
Write some on creating a frame.

Discussion on what is actually happening and actual code is necessary.
Add discussion of Swing objects.
Add to seesaw/making-a-window.asciidoc
Improve some grammar.
Add discussion for config!
Enhance discussion on config!
Add discussion to config! and show!

Show! can be implemented in terms of config! and config! can
be called on multiple widgets at the same time.
Add the first couple Datomic recipes
Fix bug in refer. Add emphasis on pack!
Add images of E17 seesaw.
Adding license agreement.
Added a chapter on ETL.
Adding Cascalog aggregation recipe.
Adding Cascalog checkpointing recipe.
Add cascalog recipes to the distributed computation chapter.
Add a Cascalog explain recipe.
Adding Midje-Cascalog testing recipe.
remove Datomic sub-heading from databases index
Connect to a Datomic Database updates.

Connection protocol list
Differences between Free and Pro w.r.t connections
Connection performance semantics