Fixed OracleUpdater::doPageRestrictionsPKUKFix prefix

Previously OracleUpdater::doPageRestrictionsPKUKFix had the
database prefix hard-coded into the SQL query. This removes
the hard-coded value and replaces it with the actual configured
prefix.

Change-Id: If60f23af7fd238d4c91ebf25b095749345a2718d
Follow-up 42333412833a - Fix behaviour $wgVerifyMimeType = false;

Bug: 49717
Change-Id: If1d6e8fed575bf2816a10db066ec4e023460ee1e
(cherry picked from commit 337fd7790e8d5e3a9983225c56adcd8ea8d496e7)
(cherry picked from commit dadfe0ae9349dd0bf5e1d3bedc8887289818fda1)
Merge "Fixed OracleUpdater::doPageRestrictionsPKUKFix prefix" into REL1_21
Fix comma errors in various js files (new jshint warning)

Change-Id: I6fdae5f66ef69b6526121cd7b1b2fbb0d9df7a62
Backport compatible message changes from master.

Change-Id: I026d179d5a579043880bb37e134e9b139790bd52
Backport compatible message changes from master.

Change-Id: Ic9c1a35fecf3c09d2cc60057783ebadaf656d6ba
Localisation updates from http://translatewiki.net.

Change-Id: I181ccbf16a9cd792ececf35fb1958cb033447177
SECURITY: Improve css javascript detection

* Forbid vertical tabs
* Convert Fullwidth, sup/sub script, IPA, and repetition unicode to
ascii, for ie6

Bug: 55332
Change-Id: I41a71b5b8fbecadd0f958cf57cc90d4c2fd9366e
SECURITY: Don't cache when a call could autocreate

Fixes for action=raw (used when sites include other site's javascript),
and stashed images.

Bug: 53032
Change-Id: I8f915f6a4756f750c74d9ee9bec58f7ba6c0c827
Update Releasenotes and version number for 1.21.3

Change-Id: Id1c0f85d461f13e32d84fb0a18b18f552323dda6
Merge branch 'REL1_21' of https://gerrit.wikimedia.org/r/p/mediawiki/core into REL1_21