Merge pull request #16 from gvwilson/master

Didn't think I'd need to merge...
Merge pull request #17 from gvwilson/master

Removing unused files.
Starting to draft outlines of half-day and full-week 'Data Carpentry' material
Merge branch 'master' of github.com:swcarpentry/assets
Surface temperatures as JSON
Creating unified table of all temperature data
Draft page for WiSE boot camp fundraising
Making the titles a little more sensible
Specific target and minimum donation
More links