Remove unnecessary memoization from FormulaInstaller#build_argv
Reduce the number of ways options can be passed to the installer
Let commands decide what mode the installer should use
Fix typo
libpng 1.5.18
sbcl: 1.1.16 and a more rigorous test

Closes #27132.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
add check for /Library Python

Closes #24788.
Move wkhtmltopdf to the boneyard

Closes #26813.
redis: a test

Closes #27128.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libav 9.11

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libav: add 9.11 bottle.

Closes #27133.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
mongodb: remove wrapper script.

Closes #27091.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
mongodb: update 2.4.9 bottle.

Closes #27109.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
mongodb: a simple test

Closes #27131.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ffmpeg 2.1.4

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ffmpeg: update 2.1.4 bottle.

Closes #27139.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Revert "Let commands decide what mode the installer should use"

I'd still like to make this change, but at least for now the initializer
requires ignore_deps to be set correctly.

This reverts commit 881a8855b944fa9bd7dfd598bb9197f79f7a13f0.