[XB] Simple Stats 2.1.4

• General code refactor
• Make query options more flexible
• Make options row collapsible
• Updated minimal XF version: 2.2
• Fix: update browser URL state on stats input change
• Added new statistic: user reported count
• Added new statistic: user report assigned count
• Added new statistic: XFRM Resource update count
• Added new statistic: XFRM User rating count

Added export to BB-Code table
Added received & given reaction count stats
Rewritten thread reply count query (now can display threads with 0 reply count)

Implemented query options with AJAX update on input change
Depending on query type, supports Node ID, Reaction IDs, User state, User's total message count

New statistics: XFMG views, reactions, comment count
Added option to hide content id displaying
Properly provide content links
Fixed incorrect order clause for User attachment size stat
Format attachment size value