Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
newer ants
Revert "newer ants"

This reverts commit 9bc2e33a91b9abd0418a3f9f7c00e186c68c7649.
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel-ui into dev
Fixed bug in Toggle-buttons where toggled slice9 graphics were not being sized properly.
Merge branch 'dev' of https://github.com/SeiferTim/flixel-ui into dev
Merge pull request #81 from SeiferTim/dev

Fixing Toggle Button Slice9 Sprites.
Allow setting bg color in constructor
Merge pull request #82 from kevinresol/patch-2

Allow setting bg color in constructor
Missing import
compile fixes for some of the classes
Added ability to show/hide groups, thanks @ProG4mr
<sprite> tags will now automatically scale if you supply "width", "height", and/or "resize_ratio" attributes
"spacing" attribute in <align> tags can now use formulas.
<sprite> tag now infers which axis it should use resize_ratio for based on whether width or height is undefined
Update README.md

Updated documentation for scaleable sprites