add basic settings page which also allows free members to upgrade to patron membership

replace buggy sign in flow with new hopefully less buggy sign in flow (using one-off sign in links)

disable zoom on ios11 w/ document.addEventListener('gesturestart', function (e) {e.preventDefault();});

kill all box-shadows from all my sites cause 2010 called and wants its box-shadows back

fix bug where paid members would see “you have read-only access” message (thanks @brunolemos)