Update handling of parent property
Tweaks to tutorial
Tweaks to property descriptions
Protect against forged ID in NpEditThisButton form
Handle parent drop-down; fix bug with empty time
Update tutorial
MC artifact
Fix bugs with parent and template
Prevent NpEditThisButton from executing on NP page
Refactor noShow tests in NpEditThisButton
Update tutorial
Update lex strings; some code cleanup