Merge pull request #6 from HaxeFlixel/dev

Dev
change and update flxrandom
update flixel for universal use of FlxRandom instead of Math.random()
fix bug I introduced to FlxTypedEmitter
update flxrecord with seed changes
updates flxrandom and flxarrayutil for the pull request; please see comment
update FlxArrayUtil with proper parameters
flxrandom fixes, please see comment
fixed intRanged formula; previously had only half the correct chance of returning min or max value
moves FlxArrayUtil.shuffle() to FlxRandom.shuffleArray() and adds some dummy checks to FlxRandom.color()
adds colorExt
adds loot drop function, see comment
move flxchance to flixel-addons
updating flxrandom for flxchance move
Added makeGraphic function to enable bitmap resizing
Fixing makeGraphic override
I'm adding a little more functionality to FlxSpriteUtil -- I think we should expose a few more drawing parameters as optionals
Adds resize support via width, height and setSize()
Fixed some get/set and setSize logic
README.md: Adjust logo URL