Mention that old report data can be invalidated using the new InvalidateReports plugin (#12286)

* Minor changes to wording

* Add a mention to the InvalideReports plugin

config/global.ini.php

@@ -319,11 +319,11 @@ minimum_mysql_version = 4.1
 ; PostgreSQL minimum required version
 minimum_pgsql_version = 8.3
 
-; Minimum advised memory limit in php.ini file (see memory_limit value)
+; Minimum advised memory limit in Mb in php.ini file (see memory_limit value)
 ; Set to "-1" to always use the configured memory_limit value in php.ini file.
 minimum_memory_limit = 128
 
-; Minimum memory limit enforced when archived via ./console core:archive
+; Minimum memory limit in Mb enforced when archived via ./console core:archive
 ; Set to "-1" to always use the configured memory_limit value in php.ini file.
 minimum_memory_limit_when_archiving = 768
 

core/CronArchive.php

@@ -1154,7 +1154,7 @@ class CronArchive
         if (count($this->idSitesInvalidatedOldReports) > 0) {
             $ids = ", IDs: " . implode(", ", $this->idSitesInvalidatedOldReports);
             $this->logger->info("- Will process " . count($this->idSitesInvalidatedOldReports)
-                . " other websites because some old data reports have been invalidated (eg. using the Log Import script) "
+                . " other websites because some old data reports have been invalidated (eg. using the Log Import script or the InvalidateReports plugin) "
                 . $ids);
         }
 

tests/PHPUnit/System/expected/test_ArchiveCronTest_archive_php_cron_output.txt

@@ -26,7 +26,7 @@ INFO [2017-01-22 00:03:37] - Will invalidate archived reports for 2012-08-15 for
 INFO [2017-01-22 00:03:37] - Will invalidate archived reports for 2012-09-30 for following websites ids: 1
 INFO [2017-01-22 00:03:37] - Will invalidate archived reports for 2014-03-12 for following websites ids: 1,3
 INFO [2017-01-22 00:03:37] - Will invalidate archived reports for 2014-03-13 for following websites ids: 1,3
-INFO [2017-01-22 00:03:37] - Will process 3 other websites because some old data reports have been invalidated (eg. using the Log Import script) , IDs: 1, 2, 3
+INFO [2017-01-22 00:03:37] - Will process 3 other websites because some old data reports have been invalidated (eg. using the Log Import script or the InvalidateReports plugin) , IDs: 1, 2, 3
 INFO [2017-01-22 00:03:37] ---------------------------
 INFO [2017-01-22 00:03:37] START
 INFO [2017-01-22 00:03:37] Starting Piwik reports archiving...