jaredatch/wp-prep — pull request #3 by kraftbj (2012-05-21 03:29:53+00:00)
Title: plugin-install.php clashes with WP Core

With a plugin named /WP_PLUGIN_DIR/plugin-install.php, WordPress will then change the "Add New" plugin link in /wp-admin/'s side navigation menu to /plugin.php?page=plugin-install.php and fail.

Minor since we'll delete the plugin almost instantly, but ran into it this weekend on my sandbox.