GravityView 2.31.1

* Fixed: Fatal error rendering multiple Views on the same page/post introduced in 2.17.2
__Developer Updates:__
* Added: A `$context` argument of `GVTemplate_Context` is now passed to `GVWidgetpre_render_frontend()`

* Updated: [Foundation](https://www.gravitykit.com/foundation/) to version 1.0.9

**Note: GravityView now requires PHP 7.2 or newer**
* It's faster than ever to create a new View! (Table and DataTables View types only)
- Fields configured in the [Gravity Forms Entry Columns](https://docs.gravityforms.com/entries/#h-entry-columns) are added to the Multiple Entries layout
- The first field in the Multiple Entries layout is linked to the Single Entry layout
- All form fields are added to the Single Entry layout
- An Edit Entry Link field is added to the bottom of the Single Entry layout,= 1.22.3 on December 21, 2017 =
* Added: Support for displaying files uploaded using the Gravity Forms Dropbox Addon (thanks, @mgratch and @ViewFromTheBox!)
* Added: Merge Tags now are replaced when in `[gvlogic]` shortcodes not in a View
* Fixed: Filtering by date in Advanced Filters prevented single entries from being visible
* Fixed: `gravityview/capabilities/allow_logged_out` filter wasn't living up to its name (allowing logged-out visitors to edit entries)
__Developer Updates:__