Merge pull request #59 from jnugent/8837-fix

*8837* create submission mail templates without user signatures included
*8978* Submodule changes track
*8973* add new JS handler to minified scripts
*8868* For consistency, attach tab styles to tabs
*8868* Add EventAction, AddTabAction link action options
*8868* Permit freshly added tabs to be closed
*8868* Permit plugins to extend website setup tabs via hook
*8868* Permit new row bounce-backs to create row IDs
*8868* Introduce rewritten translator plugin -- edit locale files
*8868* Permit editing misc locale files
*8868* UI tweaks: paging; text; sorting
*8868* Add email editing capabilities
*8868* Add missing form classes for styling
*8868* Tweaks and cleanup
*8868* Turn on track form changes
*8868* Turn lessphp into a git submodule
*8868* Status reporting; translating new content; descriptions
*8868* Submodule update ##asmecher/8868-fix##
*8868* Fix translation of non-existent email files
*8868* Missing code docs