Fix PHPCS errors for commas in arrays

See #62
Less ambiguous boolean `@return` docs

Fixes #91
Remove cursor pointer from points log table th

Fixes #118
Limit logs alternating row colors to admin screens

Fixes #119
Remove unused points logs table styles

See #119
Pass the points logs table's classes thru a filter

See #102
Let how-to-get-points table classes be filtered

See #102
Let points top users classes be filtered

Fixes #102
Fix invalid HTML of how-to-get-points table

There was no `tr` around the `th` elements.

Found while working on #102