Added string to translations resources

Author: cmaglie

arduino-core/src/cc/arduino/contributions/packages/ContributionsIndexer.java

@@ -93,8 +93,8 @@ public void parseIndex() throws Exception {
 	      ContributionsIndex contributionsIndex = parseIndex(indexFile);
 	      mergeContributions(contributionsIndex, indexFile);
       } catch (JsonProcessingException e) {
-    	  System.err.println(I18n.format("Skipping contributed index file {0}, parsing error occured:", indexFile));
-    	  System.err.println(e);
+        System.err.println(I18n.format(tr("Skipping contributed index file {0}, parsing error occured:"), indexFile));
+        System.err.println(e);
       }
     }
 

arduino-core/src/processing/app/i18n/Resources_en.po

@@ -1885,6 +1885,11 @@ msgstr "Sketchbook location:"
 msgid "Sketchbook path not defined"
 msgstr "Sketchbook path not defined"
 
+#: ../../../../../arduino-core/src/cc/arduino/contributions/packages/ContributionsIndexer.java:96
+#, java-format
+msgid "Skipping contributed index file {0}, parsing error occured:"
+msgstr ""
+
 #: ../../../../../app/src/processing/app/Preferences.java:185
 msgid "Slovak"
 msgstr "Slovak"

arduino-core/src/processing/app/i18n/Resources_en.properties

@@ -1378,6 +1378,10 @@ Sketchbook\ location\:=Sketchbook location\:
 #: ../../../processing/app/BaseNoGui.java:428
 Sketchbook\ path\ not\ defined=Sketchbook path not defined
 
+#: ../../../../../arduino-core/src/cc/arduino/contributions/packages/ContributionsIndexer.java:96
+#, java-format
+!Skipping\ contributed\ index\ file\ {0},\ parsing\ error\ occured\:=
+
 #: ../../../../../app/src/processing/app/Preferences.java:185
 Slovak=Slovak