Add Brandon's slides

Topics covered:
- Module system
- Pattern matching
- Structs
- Enums
- Methods
- Generics
- Traits
Merge pull request #8 from btmills/brandons-slides

Add Brandon's slides
Added slides and examples about pointers
Merged in gh-pages changes, fixed typo
fixed page title, added description and authors
Merge pull request #10 from btmills/fix-title

fixed page title, added description and authors
Fixed typo.  So close.
Merge pull request #9 from btmills/pauls-slides

Pauls slides
Add test questions