Merge pull request #9 from biiwide/master

Updating slides for modules 4
partial hand merge for melissa's pull request
Hand merge for pull request #8
- Converted absolute links to relative links
- Use markdown instead of HTML for emphasis
- Added module number as part of the title
fix back link for Module 8
Changed :MISS to :MISSING
Closes Issue #6
Add /usr/local/bin to .bashrc
Closes issue #5
Added structure for Lightning talks
Simplify Curriculum
Add _chat target for the web-app-notes references
Fixed some formatting
more formatting
Merge pull request #10 from biiwide/master

Removing more git diff cruft that wound up in the file.