Move L10n::t() calls to DI::l10n()->t() calls

doc/smarty3-templates.md

@@ -39,7 +39,7 @@ They are initialized with an array of data, depending on the tyle of the field.
 
 All of these take an array holding the values, e.g. for a one line text input field, which is required and should be used to type email addesses use something along the lines of:
 
-		'$adminmail' => array('adminmail', L10n::t('Site administrator email address'), $adminmail, L10n::t('Your account email address must match this in order to use the web admin panel.'), 'required', '', 'email'),
+		'$adminmail' => array('adminmail', DI::l10n()->t('Site administrator email address'), $adminmail, DI::l10n()->t('Your account email address must match this in order to use the web admin panel.'), 'required', '', 'email'),
 
 To evaluate the input value, you can then use the $_POST array, more precisely the $_POST['adminemail'] variable.
 

doc/themes.md

@@ -108,17 +108,17 @@ The _post functions handle the processing of the send form, in this case they sa
 To make your own variation appear in the menu, all you need to do is to create a new CSS file in the deriv directoy and include it in the array in the config.php:
 
     $colorset = array(
-        'default'=>L10n::t('default'),
-        'greenzero'=>L10n::t('greenzero'),
-        'purplezero'=>L10n::t('purplezero'),
-        'easterbunny'=>L10n::t('easterbunny'),
-        'darkzero'=>L10n::t('darkzero'),
-        'comix'=>L10n::t('comix'),
-        'slackr'=>L10n::t('slackr'),
+        'default'=>DI::l10n()->t('default'),
+        'greenzero'=>DI::l10n()->t('greenzero'),
+        'purplezero'=>DI::l10n()->t('purplezero'),
+        'easterbunny'=>DI::l10n()->t('easterbunny'),
+        'darkzero'=>DI::l10n()->t('darkzero'),
+        'comix'=>DI::l10n()->t('comix'),
+        'slackr'=>DI::l10n()->t('slackr'),
     );
 
 the 1st part of the line is the name of the CSS file (without the .css) the 2nd part is the common name of the variant.
-Calling the L10n::t() function with the common name makes the string translateable.
+Calling the DI::l10n()->t() function with the common name makes the string translateable.
 The selected 1st part will be saved in the database by the theme_post function.
 
     function theme_post(App $a){

doc/translations.md

@@ -73,8 +73,8 @@ Then run `bin/console po2php view/lang/<language>/messages.po` to update the rel
 
 ### Basic usage
 
-- `Friendica\Core\L10n::t('Label')` => `Label`
-- `Friendica\Core\L10n::t('Label %s', 'test')` => `Label test`
+- `Friendica\Core\DI::l10n()->t('Label')` => `Label`
+- `Friendica\Core\DI::l10n()->t('Label %s', 'test')` => `Label test`
 
 ### Plural