Fix empty window background color 

Change the empty window background color from Spacegray blue to Spacegray Eighties gray.
Merge pull request #68 from adamwalter/patch-1

Fix empty window background color
Fix non-overlay scrollbar colors.
Merge pull request #65 from sirlancelot/patch-1

Fix non-overlay scrollbar colors in Spacegray
Fix "Switch Project"-background bug #47
#47 right color in Spacegray normal
Merge pull request #72 from felics/master

Fix "Switch Project"-background bug #47
add v1.1.3 message for package control
update install message for package control
update v1.1.3 message
update readme
Added support for transient tabs (italicized title)
Merge pull request #74 from zupolgec/add-transient-tab-support

Added support for transient tabs (italicized title)
Added setting spacegray_tabs_font_small/normal/large/xlarge
Added setting spacegray_sidebar_tree_xsmall/small/medium/large/xlarge
Added setting spacegray_sidebar_font_large/xlarge
Added setting spacegray_tabs_auto_width
Added setting spacegray_tabs_small/medium/normal/large/xlarge
spacegray_sidebar_tree_medium is now _normal
Removed spacegray_tabs_medium and tweaked tab heights