Typo
 $ Updating installation lang files: et-EE, fa-IR, nl-NL, vi-VN
 ^ [#31219] Update to PHPMailer 5.2.6. Thanks Michael Babker.
(Fix #1341)
Typos in fr-FR
oops
 # [#31044] media manager overlay preview broken 2. Thanks Landor
LeBaron
[Fix #1429]
 # [#30790] Typo in header makes header useless. Thanks Tino Brackebusch
 $ Updating installation lang files: eo-XX
 ^ [#31388] Admin login shows language option. Thanks Brian Teeman
(Fix #1444)
 ^ [#31383] Article manager options. Thanks Brian Teeman
(Fix: #1441)
 # [#30957] System cache issue. Thanks Dennis Hermatski
 # [#31208] No border bottom right radius and border bottom top radius
for buttons at com_finder view (2). Thanks Peter van Westen.
(Fix #1375)
Sync Crypt, Data, and Date packages to Platform 13.1 (CS only)
Sync Environment and Event packages to Platform 13.1 (CS only)
 # [#31362] Various PHP notices and strict errors. Thanks Mark Dexter
 # [#31376] JToolbar layout change breaks mobile. Thanks Roberto Segura
Just correct a small typo in spelling of calendar.
 # [#31455] Regression by [#31278]. Thanks Beat (Fix #1536)
Merge pull request #1543 from Achal-Aggarwal/calendar-typo-error

To correct a small typo in spelling of calendar.
Add system tests for components and content. Thanks Puneet Kala.