Check for unescaped language links

People sometimes forget to escape language links, so we
will remind them. This is a soft warning and does not
prevent submission of invalid text.

Bug: 54846
Change-Id: I5bf70a659856d19c1e6da9766b5e319ce174b1d2
Add tests for LiquidThreads functionality

Change-Id: I52e9753d3ac4e21076e06d469f440dbfa31f02b8
Remove link to Special:MassMessage in log entry description

https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Log-description-massmessage/en

Change-Id: Ic0deee91680d1703ee2288f78bcc22539dff5040
Add $wgAllowGlobalMessaging to the README

Change-Id: Ib45abdb4dfd43ecc37dcd5dfd74c7e1b6cbbd725
Localisation updates from http://translatewiki.net.

Change-Id: Ia8dfa5d28cab4418bf714c9402a084c52dbda7ac
Merge "Add $wgAllowGlobalMessaging to the README"
Merge "Check for unescaped language links"
Merge "Remove link to Special:MassMessage in log entry description"
Merge "Add tests for LiquidThreads functionality"
Localisation updates from http://translatewiki.net.

Change-Id: Id748d1c3a154314ea448d76c4cde377392af92dd
Localisation updates from http://translatewiki.net.

Change-Id: I132c042b33a3a9e2e5d2922936e68c63aa497e10
Localisation updates from http://translatewiki.net.

Change-Id: I0be64537e20b2173bcc41b2d1506168731b1ec62
Localisation updates from http://translatewiki.net.

Change-Id: I7f52779ebfcac6fc8cbbe800dec0490418ddd745
Localisation updates from http://translatewiki.net.

Change-Id: I84b0840f9eb82a5ddba44dd0b3639a91e3b64084
Localisation updates from http://translatewiki.net.

Change-Id: I138c6e13f619b47b436b9e554a30e55bf1b5af53
Localisation updates from http://translatewiki.net.

Change-Id: If2ee74a534dca4129ce91b6effd2aaad3af07d66
Localisation updates from http://translatewiki.net.

Change-Id: I43e14ef50a70d44d1847e40011651f0cf357eea4
Clean up global state when job finishes

Change-Id: Iff001ac95c0d7236c58434fddb843a52f32aa202
Localize plaintext log entry links properly

Change-Id: I6e54f715d90017b72b0b74e229a0c17fc96634bb
Add the log entry after we know the job is successful

Change-Id: I92595eaf6509567d63ee710fefc57441e5f943c7