Backport 2.5.3 release info to master branch. Bump version to 2.6.0a0.
diff --git a/NEWS b/NEWS
index b94a934..e074e4f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Version 2.5.3
+-------------
+- Updated zoneinfo to 2016d
+- Fixed parser bug where unambiguous datetimes fail to parse when dayfirst is
+ set to true. (gh issue #233, pr #234)
+- Bug in zoneinfo file on platforms such as Google App Engine which do not
+ do not allow importing of subprocess.check_call was reported and fixed by
+ @savraj (gh issue #239, gh pr #240)
+- Fixed incorrect version in documentation (gh issue #235, pr #243)
+
Version 2.5.2
-------------
- Updated zoneinfo to 2016c
diff --git a/dateutil/__init__.py b/dateutil/__init__.py
index ee23a7c..7fcb475 100644
--- a/dateutil/__init__.py
+++ b/dateutil/__init__.py
@@ -1,2 +1,2 @@
# -*- coding: utf-8 -*-
-__version__ = "2.5.2"
+__version__ = "2.6.0a0"
diff --git a/dateutil/zoneinfo/dateutil-zoneinfo.tar.gz b/dateutil/zoneinfo/dateutil-zoneinfo.tar.gz
index b435e7a..d00603d 100644
--- a/dateutil/zoneinfo/dateutil-zoneinfo.tar.gz
+++ b/dateutil/zoneinfo/dateutil-zoneinfo.tar.gz
Binary files differ
diff --git a/zonefile_metadata.json b/zonefile_metadata.json
index c33740f..c2885c9 100644
--- a/zonefile_metadata.json
+++ b/zonefile_metadata.json
@@ -4,9 +4,9 @@
"https://dateutil.github.io/tzdata/tzdata/",
"ftp://ftp.iana.org/tz/releases/"
],
- "tzdata_file": "tzdata2016c.tar.gz",
- "tzdata_file_sha512": "03eab77c8b3176da1dd17d1d9062b151036b01d224f1e4b60f34a2db6899150431f34f4d9f39652648aae3a55326fd6f85d6deefe3f27b36eaed9ef39ed3f53c",
- "tzversion": "2016c",
+ "tzdata_file": "tzdata2016d.tar.gz",
+ "tzdata_file_sha512": "f1beb1793c4c7d18f2dadaf4a928b1476f66b400bda0c87b06155c0dd1c4b4a26bb2f37dc17a3676a2bbe9c1e71a5d8b27a171c797a86464b0bc0d13abfb2f99",
+ "tzversion": "2016d",
"zonegroups": [
"africa",
"antarctica",