Content Ratings for XF2.1+ 2.4.0

• Fix support for links to content with a query argument in them (ie support "Content Ratings - Reports")

• Work-around for an error detecting MySQL json support on install

• Fix enabled but empty white-list for reaction restrictions to work as intended

• Patch around XF behaviour which causes exessive recomputing of user's reaction scores
• Improve compatibility with non-extended content types
• Fix javascript error "TypeError: Cannot read property 'content' of undefined" with some non-extended content types

• Remove legacy XF2.0 support for XenPorta2
• Allow importing multiple Post Ratings to an existing XenForo reaction definition

• When extended non-core content types, fix incorrect css being applied in fallback case resulting in sprite-based reaction icons not displaying as expected

• Workaround for older browsers which can't handle inline-flex
• Fix deleting reaction on XFMG/XFRM which triggers template warnings
• Fix thread first post's reactions linking from thread list
• Fix emoji reaction sizing issues
• Fix that the style properties "Reaction"/"Reaction icon"/"Reaction icon container"/"Reaction text" where not applying

• Reduce deadlocking when updating user records by ensuring a consistently ordering is used when applying updates
• Fix removing reactions did not show, and rework UI to be saner
• Respect 'small' and 'medium' sizes in relevant places in the UI
• Emoji/Text reactions font-sizes are now style-property controlled instead of picking up the ambient size

• Fix reaction counts not incrementing for new users when using MySQL/MariaDB json functions, requires a rebuild of reaction counts to correct
• Fix edge case where reaction counts may decrease after a manual rebuild when configured not to

• Fix importer; Correctly extract Post Reaction rating names when displaying post ratings to map to existing reactions
• Fix importer; Ensure reaction scores are imported from Post Rating category information
• Fix rebuilding user given/received counts could result in reducing reaction counts
• Ensure given reaction index on xf_reaction_content exists if the rebuild job is triggered (happens automatically on importing)
• When rebuilding received reaction counts, also rebuild the user's reaction score
• Decouple "Display message user info reaction counts as a bar" style property from requiring "Message user info elements" to have "Reaction score" set