Fix typo
Add lesson 13 slides/video
Clean up warnings
Use RTD theme locally, but keep as-is otherwise

Lets start using the Read The Docs theme locally while we work on the site but
make sure we don't interfere with how it works on RTD itself.
Merge pull request #16 from DevOpsBootcamp/rtd-theme

Use RTD theme locally, but keep as-is otherwise
Remove feedback form
Comment out the room schedule until next term
Add missing header
Cleanup grammar. Updates #17
Update meeting time information

Set it up for summer and remove specific references to last year.
Lesson 1 cleanup
Lesson 3 cleanup
Lesson 4 cleanup
Lesson 5 cleanup
Lesson 6 cleanup
Lesson 7 cleanup
Lesson 8 cleanup
Lesson 9 cleanup
Lesson 10 cleanup
Lesson 11 cleanup