Removes trailing period after end of document.
small edits throughout
changed title
adjusted title spacing
added DataCarpentry_generic.pdf current version
Merge pull request #5 from hlapp/hl-fix-1

Removes trailing period after end of document.
incorporated Ethan's comments on Overview section
incorporated Ethan's comments on the first workshop
incorporated Hilmar's comments on next steps
changed footnote spacing
incorporated Hilmar's comments on future goals
made what next text bold
added most recent pdf