Cherry-pick the patches for Jetpack from 2.9.3 to 3.0.1
Delete the redundant dirs from .gitignore
Ignore wp-content/wp-cache-config.php
Update WP Retina 2x plugin to 2.0.2
Update Google Analytics Dashboard for WP plugin to 4.2.21
Update EWWW Image Optimizer plugin to 1.9.3
Update Crayon Syntax Highlighter plugin to 2.6.5
Update All In One SEO Pack plugin to 2.1.7
Update Akismet plugin to 3.0.2
Update Broken Link Checker plugin to 1.9.4.1
Update Google Analytics Dashboard for WP plugin to 4.3.3
Update WP Retina 2x plugin to 2.0.4
Update WP Super Cache plugin to 1.4.2
Update Jetpack by WordPress.com pluin to 3.1.1
Update All In One SEO Pack plugin to 2.2.3