Merge pull request #71 from rachelslaybaugh/master

Addressing comments from a UCB NSF expert (former employee)
Added text for suggested introductory modules
Merge pull request #72 from swcarpentry/tkt

Added text for suggested introductory modules
fixed some typos and made sure all co-authors are listed.
my repo had these file names incorrectly  hanging around.
cleanup of the proposal up through the software carpentry section; added data about Teal to the project management section.
added a paragraph about instructor training in swc. a bit more general cleanup.
added an open badge reference, and for got to add the .bib and .pdf files.