Merge pull request #1 from Robinlovelace/master

Robins Changes
Updates from 10th Nov workshop
Merge pull request #12 from raoldroyd/master

Updates from 10th Nov workshop
updates to Rachels's additions, improved facet plot
updates to repo
replace pdf
updated facet plot png
Merge pull request #2 from Robinlovelace/master

Robin's updates
Restructure
Restructure
Updates
Merge pull request #13 from raoldroyd/master

Updated structure
Merge remote-tracking branch 'upstream/master'

Conflicts:
	intro-spatial.Rmd