clean up code: remove editable field; act_old; act_meta_old; reinstate HNV#templateStrings as a property; extract humon_date out into its ow nfile
add moment js to gemfile and remove momentjs from vendor
update date.hbs and registration for humon_date: add relative and humanized formatting
update humon_node.css to conditionally display node-detail spans
rename HumonTypes##matchAgainstJson to matchesAgainstJson; add documentation, big changes on humon_date registration and matching architecture