PHPDoc / PSR-1
PHPDoc/cleanup
PHPDoc
PHPDoc
PHPDoc
PHPDoc
PHPDoc
PHPDoc
Change server side data call from GET to POST

Removed call to fnFilter in datatables init code as this generated an
additional network call, the filter data (if any) is now passed as a
parameter in the server side ajax call
Use URL parameter to pre-filter list of users
Unused code
Merge https://github.com/fisharebest/webtrees