Update hm01_hw-submission-dryrun.md

Adding an RPub link.
Merge pull request #3 from MattGingerich/patch-1

Update hm01_hw-submission-dryrun.md
Update hm01_hw-submission-dryrun.md

Adding test RPubs link to bullet list.
Update hm01_hw-submission-dryrun.md

Colon fix
Merge pull request #4 from JustinChu/patch-1

Justin Chu adding dry run homework link
file herd commands I'm using often to compile the website
Adding tutorial block03 on R objects, beyond data.frames
Fleshing out cm03, cm04, and vicinity
Adding post of R script as a gist to the homework submission template
Adding link and PDF slides for cm03
Renamed block on importing, inspecting and subsetting data.frames to be consistent with how I refer to it
Improvements to general tutorial on R objects
Fixed typo
Fixing links
Assigning homework's 1 and 2
Jess's pull request
Jess's pull request … continued
Adding some students' first attempt at adding their links MANUALLY. The conflicting pull requests might kill me otherwise.
Continuing to add some students' first attempt at adding their links MANUALLY.
Continuing to add some students' first attempt at adding their links MANUALLY.