Bundling explanation of X11 and libxslt is a bit odd and confusing, bundle libxml2 and libxslt instead extracted from X11 and /usr/lib requirements.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Using 'sudo' should not be required to install npm, and isn't if the
user has used the default Homebrew installation process.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Also don't abort searches if the query matches a blacklist. Eg.
`brew search vim` should return macvim and the information that vim itself is
not packaged.
