Merge branch 'master' into wmf_deploy

5da273a4 Reduce code duplication in SpecialNoticeTemplate
f1a8ce9f Replace usage of wfGetDB()
1ce24b5c CentralNotice: Use UnlistedSpecialPage rather than defining isListed()
886e1cc4 build: Upgrade mediawiki/mediawiki-codesniffer to v43.0.0
4cc182a2 Fix casing of dropdown-related methods
41a2a8fb Show working in value of TTL
8dbf0f58 Update reference to newly namespaced MessageGroupStates::class
e4f7b596 OOjs: Replace uses of 'parent' with 'super'
0287a127 Document generated i18n keys
33b2a18a Update reference to namespaced MessageGroupMetadata::class
d2adee73 Rename HookRunnerTest
e32c1abb build: Updating dependencies
b993b3f6 build: Updating npm dependencies
83161c9d Drop RL targets definitions from module class, no longer honoured
8fd1baab Remove misleading "protected" visibility of private code
def2829f Update deprecated mw.util.debounce parameter order
6a57df4a build: Update 'svgo' to latest v3.2.0 and re-minify SVGs
bbb6225e extension.json: Drop RL targets definitions, no longer honoured
0be102c4 build: Update MediaWiki requirement to 1.42
2e5dbcd1 tests: Declare class property in CampaignTest
880bb138 tests: Pass UTSysop to CentralNoticeTestFixtures
71663c96 Use HookHandlers for UserMerge hook (second attempt)
d64f0e09 Revert "Use HookHandlers for UserMerge hook"
efc4fcb9 Use HookHandlers for UserMerge hook
6100a9e9 Replace empty() with a string compare
c75f013b Replace empty() with falsy check
cd179130 build: Remove unneeded phan suppression
ef62a577 Use upstream selectField where appropriate
68ddd0f4 Drop misleading boolean comparisons with "1"
6613484f Stop binding against core's ILocalizedException interface
479d729a Use HookHandlers for core hooks
94f28463 Use IDatabase in CNCampaignPager for setSessionOptions
ceeb60ed Move last two pagers into specials/pagers

Change-Id: Ie57b4a53bab9ea3b5fb5749ee116151bc0b20d73