Patch removes a <meta> tag as per bug 38856.

Patch by David D. Kilzer <mailto:ddkilzer@theracingworld.com>.
r1=Christopher Aillon <mailto:caillon@returnzero.com>. No 2nd review
required as per caillon.

Fix for bug 107120: templates/default/global/header was generating HTML that wouldn't validate as HTML 4.01 Transitional
Patch by Dave Miller <justdave@syndicomm.com>
r= jake, bbaetz

Fix for bug 84338: initial implementation of attachment tracker, which lets users flag attachments with statuses.
Patch by Myk Melez <myk@mozilla.org>
r=justdave@syndicomm.com