corrections to smog articles, addition of CAP pages

CAP -> ReCAP (CAP smog article issue 34)
Chou Toshio -> Deck Knight (smog archive, CAP article issue 13 credit)

Additions of relevant Smog articles to CAP articles page + categorisation

Creation of new page: /cap/articles/xy_movepool_guide
Creation of new page: /cap/articles/restricted_moves

Update to page /cap/process/events/movepool_submissions
Merge pull request #550 from smogon/9e75f2328b782f366bb662da70de5cc9

corrections to smog articles, addition of CAP pages