Move option_key and text-domain to constants. Resolves #2.
Consistantly use constants for plugin strings: IS_PLUGIN_DIR, IS_PLUGIN_SLUG, IS_PLUGIN_NAME

Resolves #2.
Merge branch 'f/constants' into develop
Tested on WordPress 3.7
Add widget, shortcode, and action list to readme
Move  and  to widget view.
Update inbox stats in the background over AJAX. Resolves #4.

Using AJAX avoids slowing down or crashing the site during imap connections.
Change javascript var 'is' to more semantic 'inbox'
Allow stats to be shown in menus. Resolves #8.
Add filter for menu-social-icons
Add classes to shortcodes and widgets
Change shortcodes to [inbox-unread] and [inbox-total]
Remove menu-social-icons integration. Should be in MSI or its own plugin.
Merge branch 'f/menus' into develop
Change nav-menu template dropdown to radios
Version bump
Merge branch 'r/1.0' into develop
Spacing in readme.