English month names

https://github.com/FreshRSS/FreshRSS/pull/1617#discussion_r134110617

CHANGELOG.md

@@ -9,6 +9,7 @@
 	* New command `./cli/update-user` to update user settings [#1600](https://github.com/FreshRSS/FreshRSS/issues/1600)
 * I18n
 	* Korean [#1578](https://github.com/FreshRSS/FreshRSS/pull/1578)
+	* Fix month abbreviations [#1560](https://github.com/FreshRSS/FreshRSS/issues/1560)
 * Bug fixing
 	* PHP 7.1 compatibility for the API [#1584](https://github.com/FreshRSS/FreshRSS/issues/1584), [#1594](https://github.com/FreshRSS/FreshRSS/pull/1594)
 	* Fix API compatibility bug between PostgreSQL and EasyRSS [#1603](https://github.com/FreshRSS/FreshRSS/pull/1603)

app/i18n/en/gen.php

@@ -54,42 +54,42 @@ return array(
 		'Nov' => '\\N\\o\\v\\e\\m\\b\\e\\r',
 		'Oct' => '\\O\\c\\t\\o\\b\\e\\r',
 		'Sep' => '\\S\\e\\p\\t\\e\\m\\b\\e\\r',
-		'apr' => 'apr',
-		'april' => 'Apr',
-		'aug' => 'aug',
-		'august' => 'Aug',
+		'apr' => 'Apr.',
+		'april' => 'April',
+		'aug' => 'Aug.',
+		'august' => 'August',
 		'before_yesterday' => 'Before yesterday',
-		'dec' => 'dec',
-		'december' => 'Dec',
-		'feb' => 'feb',
-		'february' => 'Feb',
+		'dec' => 'Dec.',
+		'december' => 'December',
+		'feb' => 'Feb.',
+		'february' => 'February',
 		'format_date' => '%s j\\<\\s\\u\\p\\>S\\<\\/\\s\\u\\p\\> Y',
 		'format_date_hour' => '%s j\\<\\s\\u\\p\\>S\\<\\/\\s\\u\\p\\> Y \\a\\t H\\:i',
 		'fri' => 'Fri',
-		'jan' => 'jan',
-		'january' => 'Jan',
-		'jul' => 'jul',
-		'july' => 'Jul',
-		'jun' => 'jun',
-		'june' => 'Jun',
+		'jan' => 'Jan.',
+		'january' => 'January',
+		'jul' => 'July',
+		'july' => 'July',
+		'jun' => 'June',
+		'june' => 'June',
 		'last_3_month' => 'Last three months',
 		'last_6_month' => 'Last six months',
 		'last_month' => 'Last month',
 		'last_week' => 'Last week',
 		'last_year' => 'Last year',
-		'mar' => 'mar',
-		'march' => 'Mar',
+		'mar' => 'Mar.',
+		'march' => 'March',
 		'may_' => 'May',
 		'may' => 'May',
 		'mon' => 'Mon',
 		'month' => 'months',
-		'nov' => 'nov',
-		'november' => 'Nov',
-		'oct' => 'oct',
-		'october' => 'Oct',
+		'nov' => 'Nov.',
+		'november' => 'November',
+		'oct' => 'Oct.',
+		'october' => 'October',
 		'sat' => 'Sat',
-		'sep' => 'sep',
-		'september' => 'Sep',
+		'sep' => 'Sept.',
+		'september' => 'September',
 		'sun' => 'Sun',
 		'thu' => 'Thu',
 		'today' => 'Today',