uwsgi 2.0.7

Version bump & HEAD. (All still broken on Yosemite for the curious).
uwsgi: update 2.0.7 bottle.

Closes #33256.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
emscripten 1.25.2

Version bump. Still dead on Yosemite.
emscripten: update 1.25.2 bottle.

Closes #33257.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
formula_cellar_checks: check exists before glob.

Closes #33242.
iperf 3.0.9

Version bump, Yosemite notes, new HEAD location and setup process.
iperf3: update 3.0.9 bottle.

Closes #33253.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
formula_cellar_checks: Ruby 1.8 compatible check.
brew-test-bot: always repair taps when tapping.
cookiecutter 0.7.2
Tarball sha, not git sha
cookiecutter: add 0.7.2 bottle.