Initial import of Template:XULElem
Initial import of Template:XULElem

https://developer.mozilla.org/en-US/docs/Template:XULElem

Contributors (by MDN username):
* chukito
* ethertank
* fscholz
* lmorchard
* LucianU
* Mrolappe
* Sheppy
* trevorh

jpmedley/kumascript,a2sheppy/kumascript,a2sheppy/kumascript,jpmedley/kumascript