Link SWC site and G+ page.

See https://support.google.com/plus/answer/1713826.
Added UMKC bootcamp to list of upcoming
Merge pull request #351 from amyrbrown/umkc-add

Added UMKC bootcamp to list of upcoming
Adding three more workshops
Merge pull request #352 from gvwilson/adding-data-science-center-bootcamps

Adding three more workshops
Adding the PyCon workshops
Merge pull request #354 from gvwilson/adding-pycon-bootcamps

Adding the PyCon workshops
Adding column headers to CSV data for paper, renaming file for consistency