Trellis 0.9.2

• Add dev's IP to ferm whitelist (#381)
• Add nonempty option to config.bindfs.bind_folder (#382)
• Add proper hooks for task files during deploys (#378)
• Fix logrotate's Nginx postrotate script (#377)
• Add static HTML files as fallbacks for Nginx's index directive (#376)
• Use Windows environment variable to determine number of CPUs (#366)
• Check for galaxy roles before vagrant up (#365)
• Install Xdebug by default in development environment (#363)
• Ensure admin_user can connect before disabling root (#345)
• Prevent PHP execution in uploads directory (#356)
• Update h5bp Nginx configs (#355)
• Convert sshd role variables to booleans (#344)
• Add check to validate subtree_path during deploy (#334)
• Rename WP site variable subtree to subtree_path (#329)
• Add extra HTTP security headers (#322)
• HHVM restart cron job fix (#327)
• Improve SSH remote user detection (#321)
• Add variable + better default for Nginx fastcgi buffers (#302)
• WP Multisite install fixes (#319)
• Re-organize group_vars files into subdirectories and separate files (#308)