Minor edits to the talks.

1) Re-enabled slides in the data types talk and re-arranged their
order.
2) Removed slides with movies and odd pictures.
3) Changed icon on the first slide of the data types talk.
4) Other small edits...
Changes to Advanced Data Structures and Functions and Modules

1) Reworked breakout example.
2) Various tweaks to the talks.
These didn't make it into the last commit.
Merge pull request #1 from jzuhone/master

Updated talks and examples for "Advanced Data Structures" and "Functions and Modules"