task manager fixes.

Thanks @Henry.T
blocked sounds for html5 target

(until i'll make them work there)
Fix FlxU.formatTime to correctly display milliseconds

FlxU.formatTime takes Seconds as an Int, but should take a Float to allow for the option of displaying milliseconds (ShowMS).
Merge pull request #410 from jayrobin/dev-FlxU

Fix FlxU.formatTime to correctly display milliseconds
Introducing util package
Add FlxArray / move random functions from FlxG
FlxG.random() backwards compatibility
Improved FlxRandom function names and docs
Merge pull request #412 from Gama11/dev_FlxU

Introducing util package
Moved more functions from FlxPTColor to FlxColor + consistent order of var / function keywords in .util and FlxPTMath and FlxPTColor
Forgot FlxArray. Sorry!
Also forgot changing some FlxPoint imports
Merge pull request #413 from Gama11/dev_FlxU

Moved more functions from FlxPTColor to FlxColor + consistent order of v...
FlxTypedGroup atlas setter fix
FlxBasic updateAtlasInfo() fix

it caused app crashes in some cases
Removing old temp fix for srand on neko target

since neko target has 32-bit integers
FlxPoint import for FlxEmitter
Added @:isVar to FlxButtonPlus x and y so they can be accessed from a derived class

thanks @ProG4mr for it
Temp fix for logging on HTML5 / disable htmlText
Fix remaining references to FlxG-colors