Flint 0.12.0

Update to Bootstrap 3.0.0 RC 1 (Closes #65 )
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- [x] Change `span*` to `col-lg-*`
- [x] Change `offset*` to `col-offset-*`
- [x] Change `visible-phone` to `visible-sm`
- [x] Change `hidden-phone` to `hidden-sm`
- [x] Change `visible-desktop` to `visible-lg`
- [x] Change `hidden-desktop` to `hidden-lg`

Miscellaneous
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- [x] Create options page for organization microdata using http://schema.org/Organization spec (Closes #16 )
- [x] Disable WordPress toolbar by default for non-admin users
- [x] Add function `theme_version()` which returns the current theme's version
- [x] Update color scheme to Cerise


Bugs
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- [x] Add `.pager a { color: #333!important; }` to `style.css`
- [x] Delete `run.js`
- [x] Replace placeholder link with actual link for title in `header.php`
- [x] Update `flint_the_content` and `flint_get_the_content`
 - Reorder parameters
 - Remove html from parameters (i.e. `class=""` and `<>`)
- [x] Change edit button's generic `is_user_logged_in` to one of the following
 - `current_user_can('edit_posts')`
 - `current_user_can('edit_pages')`
 - `current_user_can('moderate_comments')`
- [x] Update Custom Header page preview to look more like actual header
 - Create `flint-admin.css`