ericbarnes/wordpress-newsletter-digest — pull request #1 by alexkilty (2014-08-23 08:36:50+00:00)
Title: Moved flush_rewrite_rules() & renamed functions.

Expensive function, should run only on theme activation.
http://codex.wordpress.org/Function_Reference/flush_rewrite_rules
Also renamed functions in functions.php incase of conflict.