[Australis] Bug 477948: Keyhole back/ forward button for Linux. r=jaws, a=sledru.
[Australis] Bug 477948: update tests for new keyhole on Linux. r=jaws, a=sledru.
Bug 989701 - Set -moz-box-align:center for #urlbar-container and reduce the url bar's vertical margin in order to correctly align the urlbar-back-button-clip-path. r=mdeboer, a=sledru.
Bug 971034 - Australis - [Windows] Zoom reset button isn't as tall as other zoom buttons in toolbar. r=mikedeboer, a=sledru.
Bug 967110 - Add an inverted help icon and arrow to show on the menu panel anchor when the Help subview is open. r=mconley, a=sledru.
Bug 989609 - Dynamically added toolbars with API-created widgets should not break customize mode. r=Unfocused,mdeboer, a=sledru.
Bug 971630 - Australis: Far right/left selected overflow tabs look bad on session restore. r=mconley, a=sledru.
Bug 993421 - Only set the position:relative on the PanelUI-footer-inner when a subview is showing. r=Gijs, a=sledru.
Bug 992373 - Items in the panel jump up slightly when the customization transition finishes. r=Gijs, mikedeboer, a=sledru.
Bug 993299 - Australis - There is no minimum width set in customization mode. r=mconley, a=sledru.
Bug 990218 - Simplify OS X's titlebar styling rules for tabs in titlebar. r=MattN, feedback=Gijs, a=sledru.
Bug 994758 - Rename tabHeight define to tabMinHeight, which is more accurate. r=dao, a=sledru.
Bug 989466: revert clip-path change made in bug 893661 to fix font scaling. r=dao, a=sledru.