First attempt at a change

I changed the title.
Adding an image

Just testing my images.
Added keyframe 4
Just adding some comments to see if syncing is working.
Final commit

Final commit and sync of nothing at this point.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	groups/1/css/main.css
	groups/1/index.html
Fixed typos in dates of group 1's slides

Dates normalized.
added unpinned thumbnails to the images folder
Removed some errors I introduced

Removed some stuff from my local that snuck in.
Text edits to Group 2

Made some text edits in Group 2. Also fixed the emdash issues.
Text edits for group 3.

Made various text edits. Note: a replaced many hyphens with &mdash;
Merge pull request #31 from pachecod/master

Text Edits
Merge pull request #32 from JonGlass/master

Updates
Merge pull request #33 from tcharles411/master

added unpinned thumbnails to the images folder
fixed some lingering merge issues
Copy edits for Groups 1-3