Since the existing jobs are similar (currently, the `script` keys are
same), move the equal parts to a new shared key to have them in one
place. The new map will receive more content in upcoming commits.
There are a couple ways to declare a build matrix in Travis CI, refer to
https://docs.travis-ci.com/user/build-matrix.
Since upcoming commits will add more ways to run tests, switch the build
matrix from simple OS variation to a more powerful list of jobs.
- "bash-it search term1 [term2]...."
- we are using existing 'bash-it show plugins|aliases|completions'
commands output, to search (with grep) for lines that match the
search terms, and then output the matches.
- wrote a simple unit test that for whatever reason fails on Travis,
so wrapped it in 'if "Darwin"'...
Noah Gorny
José Eduardo Montenegro Cavalcanti de Oliveira
Alex Thiessen
Nils Winkler
Konstantin Gredeskoul
Ivan Povalyukhin