Dart 24160

Closes #20613.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
luarocks 2.0.13

also add a 'head' declaration to support brew install --HEAD

Closes #20618.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Formula: improve local bottle failure messaging.
perforce: add version detection regex.
brew-test-bot: uninstall formula if already installed.
redis 2.6.14

Closes #20619.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Merge branch 'master' of github.com:mxcl/homebrew