Simple entity relation (ER) diagrams generation

Current versions

eralchemy requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
graphviz 2.40.1 Graph visualization software from AT&T and Bell Labs
openssl 1.0.2m SSL/TLS cryptography library

Formula history

ilovezfs eralchemy: fix test
ilovezfs eralchemy: use assert_predicate instead of File.exist?
ilovezfs eralchemy 1.1.0
Mike McQuaid Use hash rockets again. (#5177)
Mike McQuaid Use Ruby 1.9+ symbol hash keys in all formulae. (#4942)
Dominyk Tiller eralchemy: fix revision placement
alexisbenoist ERAlchemy: add PostgreSQL support
alexisbenoist ERAlchemy: added openssl
alexisbenoist eralchemy v1.0.1 (new formula)