Add LongClaw, Wagtail ClearStream and Wagtail Posgres Search Backend (#32)

* Add LongClaw

* Add Wagtail ClearStream

* Add Wagtail Postgres Search Backend

README.md

@@ -73,6 +73,7 @@ Awesome Wagtail [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38
 - [Wagtail FontAwesome](https://github.com/alexgleason/wagtailfontawesome) - Add FontAwesome icons to StreamField.
 - [Wagtail Commonblocks](https://github.com/springload/wagtailblocks) - Common StreamField blocks for Wagtail.
 - [Wagtail SVGmap](https://github.com/City-of-Helsinki/wagtail-svgmap) - ImageMap functionality for Wagtail through inline SVGs.
+- [Wagtail ClearStream](https://github.com/heymonkeyriot/wagtailclearstream) - An app to make Wagtail's StreamField more modular.
 
 ### Static site generation
 
@@ -87,6 +88,7 @@ Awesome Wagtail [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38
 
 - [wagtailinvoices](https://github.com/SableWalnut/wagtailinvoices) - A Wagtail module for creating invoices.
 - [wagtail-saleor](https://github.com/mirumee/wagtail-saleor) - An e-commerce application based on Wagtail and Satchless.
+- [longclaw](https://github.com/JamesRamm/longclaw) - A shop template for Wagtail CMS.
 
 ### SEO and SMO
 
@@ -134,6 +136,7 @@ Awesome Wagtail [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38
 - [Wagtail Error Pages](https://github.com/alexgleason/wagtailerrorpages) - Pretty, smart, customizable error pages for Wagtail.
 - [Wagtail Themes](https://github.com/moorinteractive/wagtail-themes) - Site-specific theme loader for Wagtail.
 - [Wagtail Sharing](https://github.com/cfpb/wagtail-sharing) – Easier sharing of Wagtail drafts.
+- [Wagtail Postgres Search Backend](https://github.com/leukeleu/wagtail-pg-search-backend) - PostgreSQL full text search backend for Wagtail CMS.
 
 ## Tools