Fix appending .rb to local formulae names

Closes #20926.
libmowgli-2.0.0

Closes #19172.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
librsvg: add libgsf option

Closes #20855.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
finch no longer needs libgcrypt to configure
libpurple no longer needs libgcrypt to configure
libpurple: make perl support optional

Closes #18312.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
fortran: disable multi-arch build on 32-bit

Closes #19584.
Squid 3.3.5

Closes #20842.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
libgphoto2: needs libltdl, not just libtool

Fixes #20935.
Hardware::CPU (Mac): add Haswell

See #20935.
Add Haswell to CPU tests

These tests need a lot of work...
Merge branch 'master' of github.com:mxcl/homebrew
sfml: Fix version redundancy