Bug Fixes and Code Cleanup

* admin/register.php
 - Add mysql_error() output

* kill.php
 - Default form fields to current time
 - Fix bug: Prevent tag share from rolling feed time backwards
 - Wrap variables within strings in curly braces

* register.php
 - Wrap variables within strings in curly braces
Merge pull request #8 from vantage509/master

Bug Fixes and Code Cleanup