New Formula: Dynare 4.4.3

Following up on #697, we have created a make install.

Given that we already waited 4 months to have #697 reviewed, I would greatly appreciate it if you could move this up on your priority list.
Sure. I didn't know Homebrew was being ported to Linux. Though we have a Debian package, this could be useful for Fedora/RedHat. Thanks.