v1.31.1

e42818a Release v1.31.1.
e3f22c6 added regexp pattern to email field on the sign up page
2eec563 added SameSite flag to auth cookie
b0a6f4c set default value for auth cookie name
d9188c6 improved spaces creation/deletion
b4f66cb fixed bug with empty cookie value
bcc4331 fixed mistakes in lang files and added properties from PRO, fixed welcome email
d4b190b fixed cookie for selected space cannot have empty value
0ea538f added batch size option for ParaClient
e5599a2 fixed answers not deleted with question
3f1eb25 enhanced content protection and added redirects to login page when default space is private
71cdfd4 restored lang_en.properties, fixed translations' encoding, updated readme
f647c1a added method isDefaultSpacePublic()
28b0877 lang_da.properties (#100)
fd2111f Merge pull request #101 from MozyOk/master
dac0589 added Japanese translation
11c69bf tweaked app.json for an easier quickstart
f51ce36 reverted back to short dash due to problem with encoding
4c389e5 fixed #97
42a96a6 Merge pull request #96 from rillig/translations
cfe36f7 fixed inconsistency in German translation
00b5c59 moved tooltip for Vote up / Vote down into language files
242d379 improved formatting for human-readable periods (x minutes ago)
d98253b Merge pull request #95 from rillig/translation-de
f369945 proofread German translation
a77163f added feature flag for questions near me, closes #94
c43193f added kbd tag styling
9bb37d6 fixed tags visible when default space is not public
b311d10 added link to checkout for Scoold PRO
42bbd3e added WAR-generating profile