Instant Rails 1.5 released!

This is the final release for Instant Rails 1.5. It fixes the problem with fxri not working, but is otherwise identical to the preview1 release.

This is *not* the release that upgrades to MySQL 5 (that will be Instant Rails 1.6).

Instant Rails 1.5 upgrades thr following components to these versions:     * Instant Rails Manager 1.5     * One-Click Ruby Installer 1.8.5-24     * Ruby on Rails 1.2.2     * MySQL/Ruby 2.7.3 (native driver)     * Mongrel 1.0.1     * cmdparse 2.0.2     * HighLine 1.2.7