Show Matomo instead of Piwik in the user interface in more places (#12421)

* Replace all occurences of Piwik in english translations of Actions plugin

* translation update

* Replace all occurences of Piwik in english translations of API plugin

* translation update

* Replace all occurences of Piwik in english translations of core

* replace Piwik occurrences

* Rename widget piwik.org blog => matomo.org blog

* fix widget name

* replaced some more piwik mentions

* Renamed to Matomo a few strings

* Replaced more strings to Matomo in JSON files, twig templates

* Replaced more strings to Matomo in INI file

* Replaced more strings to Matomo in API docs, error messages, feedback forms

* introduce API.getMatomoVersion and ExampleAPI.getMatomoVersion API + deprecate old ones

5 files changed, 8 insertions, 8 deletions

diff --git a/plugins/ImageGraph/API.php b/plugins/ImageGraph/API.php
index e9f15d0b04..fc7f818fc4 100644
--- a/plugins/ImageGraph/API.php
+++ b/plugins/ImageGraph/API.php
@@ -20,15 +20,15 @@ use Piwik\SettingsServer;
 use Piwik\Translate;
 
 /**
- * The ImageGraph.get API call lets you generate beautiful static PNG Graphs for any existing Piwik report.
+ * The ImageGraph.get API call lets you generate beautiful static PNG Graphs for any existing Matomo report.
  * Supported graph types are: line plot, 2D/3D pie chart and vertical bar chart.
  *
  * A few notes about some of the parameters available:<br/>
  * - $graphType defines the type of graph plotted, accepted values are: 'evolution', 'verticalBar', 'pie' and '3dPie'<br/>
- * - $colors accepts a comma delimited list of colors that will overwrite the default Piwik colors <br/>
+ * - $colors accepts a comma delimited list of colors that will overwrite the default Matomo colors <br/>
  * - you can also customize the width, height, font size, metric being plotted (in case the data contains multiple columns/metrics).
  *
- * See also <a href='http://piwik.org/docs/analytics-api/metadata/#toc-static-image-graphs'>How to embed static Image Graphs?</a> for more information.
+ * See also <a href='http://matomo.org/docs/analytics-api/metadata/#toc-static-image-graphs'>How to embed static Image Graphs?</a> for more information.
  *
  * @method static \Piwik\Plugins\ImageGraph\API getInstance()
  */
@@ -130,7 +130,7 @@ class API extends \Piwik\Plugin\API
 
         // Health check - should we also test for GD2 only?
         if (!SettingsServer::isGdExtensionEnabled()) {
-            throw new Exception('Error: To create graphs in Piwik, please enable GD php extension (with Freetype support) in php.ini,
+            throw new Exception('Error: To create graphs in Matomo, please enable GD php extension (with Freetype support) in php.ini,
             and restart your web server.');
         }
 
diff --git a/plugins/ImageGraph/lang/lv.json b/plugins/ImageGraph/lang/lv.json
index d21eb75c69..aa8d6709ce 100644
--- a/plugins/ImageGraph/lang/lv.json
+++ b/plugins/ImageGraph/lang/lv.json
@@ -1,5 +1,5 @@
 {
     "ImageGraph": {
-        "PluginDescription": "Ģenerējiet skaistus, statiskus PNG formāta grafikus jebkurai Piwik atskaitei."
+        "PluginDescription": "Ģenerējiet skaistus, statiskus PNG formāta grafikus jebkurai Matomo atskaitei."
     }
 }
\ No newline at end of file
diff --git a/plugins/ImageGraph/lang/nn.json b/plugins/ImageGraph/lang/nn.json
index 06f6fbcb6d..90f0637b22 100644
--- a/plugins/ImageGraph/lang/nn.json
+++ b/plugins/ImageGraph/lang/nn.json
@@ -1,5 +1,5 @@
 {
     "ImageGraph": {
-        "PluginDescription": "Opprett vakre statiske grafar som PNG-bilete for ein Piwik-rapport."
+        "PluginDescription": "Opprett vakre statiske grafar som PNG-bilete for ein Matomo-rapport."
     }
 }
\ No newline at end of file
diff --git a/plugins/ImageGraph/lang/pt.json b/plugins/ImageGraph/lang/pt.json
index ea2d9f6acc..a54bbf1f4a 100644
--- a/plugins/ImageGraph/lang/pt.json
+++ b/plugins/ImageGraph/lang/pt.json
@@ -1,5 +1,5 @@
 {
     "ImageGraph": {
-        "PluginDescription": "Gera uma imagem de gráfico PNG estática para qualquer relatório Piwik"
+        "PluginDescription": "Gera uma imagem de gráfico PNG estática para qualquer relatório Matomo"
     }
 }
\ No newline at end of file
diff --git a/plugins/ImageGraph/lang/sl.json b/plugins/ImageGraph/lang/sl.json
index bca2f53d36..ad5693f5c0 100644
--- a/plugins/ImageGraph/lang/sl.json
+++ b/plugins/ImageGraph/lang/sl.json
@@ -1,5 +1,5 @@
 {
     "ImageGraph": {
-        "PluginDescription": "Ustvarite prelepe, statične, PNG grafe za vsa Piwik poročila."
+        "PluginDescription": "Ustvarite prelepe, statične, PNG grafe za vsa Matomo poročila."
     }
 }
\ No newline at end of file