Add examples slides

Resolves issue #6. Just added links to the libraries
that we will talk about. Could add more content, but
this takes us to the actual code which is probably
what we want to look at.
Updated functions section

* Added missing sample code
* Added section on functional programming
Merge pull request #22 from cndreisbach/fns

Updated functions section
Updated Hoplon to add auto-reload
Merge pull request #23 from cndreisbach/plumbing

Updated Hoplon to add auto-reload