Preparing 3.1.0 release

Modules/Core/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         added:
             - Carbon format set globally in <code>AppServiceProvider</code>
             - Creating a string helpers mixing file

Modules/Dashboard/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         added:
             - Created & loading a settings config file
             - No widget dashboard now used by default

Modules/Media/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         added:
             - Creating an UploadZone component
             - Creating the media list component for media modal

Modules/Menu/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         changed:
             - mysql 5.7 compatibility, making some additional columns nullable
     "3.0.0":

Modules/Page/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         added:
             - New UI interaction on the page index to select pages and mark one or mutiple as on/offline
             - New view page button on edit page views

Modules/Setting/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         changed:
             - Checking for null value instead of empty for non translatable settings
             - Escaping the output of the @setting blade directive

Modules/Translation/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         added:
             - New translations for Media and Page modules
     "3.0.0":

Modules/User/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         added:
             - Seeding new media.folders permissions on install
         changed:

Modules/Workshop/changelog.yml

@@ -26,7 +26,7 @@ versions:
     "2.0.0":
         added:
             - Laravel 5.4 compatibility
-            - Ability to add unreleased items in module changelog, by suffixing version with <code>@unreleased</code>
+            - Ability to add unreleased items in module changelog, by suffixing version with <code></code>
             - Protecting api routes with api admin middleware
         changed:
             - Using new more flexible way of handle permissions via middleware

Themes/Adminlte/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
-    "3.1.0@unreleased":
+    "3.1.0":
         changed:
             - Updated AdminLTE to version 2.4.0
             - Use the pusher key read from configuration instead of env file