Recent Commits to firefox-csshacks:master

Fix bad logic with some [autohide] attribute selectors

hide tabs toolbar: Remove uses of [tabsintitlebar]

hide tabs toolbar: Remove remaining -moz-bool-pref queries

Fix broken negation pseudo-class selectors from 9e39c99

update tag browser tags

code cleanup: remove uses of -moz-bool-pref

code cleanup: deprecate bunch of old styles

These all have either better replacements or can be done without the style

code cleanup: remove rules using #titlebar

code cleanup: remove uses of [tabsintitlebar]

deprecate multi-row_main_toolbar.css