Merge pull request #233 from knowledgepoint-devs/modal

Another admin screen improvement, plus corrected a small typo in daily/weekly notification email template.
Merge pull request #234 from knowledgepoint-devs/modal

Bug fix so we can start tracking viewed questions plus more admin interface improvements.
Merge pull request #235 from knowledgepoint-devs/modal

Display the following custom fields in admin list view for User: