Changes for September 8 - 14

Email notifications; styling improvements; and, of course, many bug fixes.

• Email notification when new third party authentication method added to an account.
• Gravatar integration
• Fix profile links with site accounts
• Add content to bottom of container rather than the top.
• Allow scheduling blog posts to be published in the future.
• Improve conversion of post html to plain text summary.
• Fix styling for bullet lists.
• Update homepage to attempt to make the product's value clearer.
• Fix rendering social account icons with unexpected inputs.
• Improved the login, signup, and call to action header component options.
• Added 10px margin by default to all components. Still experimenting to see if this is the best approach.
• Updates to bot/crawler detection for site stats.
• Default site stats to 1 week time period and speed up initial loading.
• Undo/redo buttons in the editor
• Notify moderators when a blog comment is posted.
• Fix section margins for mobile sizes.