Init the static members directly without __init__.

[andyli]

Initialization the static members directly without __init__.
The benefit here is, with -dce full, haxe will only generate require(xxx) statement for the the actually used modules.

Eg.

importjs.Node;
classTest {
staticfunctionmain():Void {
Node.childProcess;
}
}

with -dce full, will output:

(function(){"use strict";varTest=function(){}Test.main=function(){js.Node.childProcess;}varjs={}js.Node=function(){}js.Node.require=require;js.Node.childProcess=js.Node.require("child_process");BrackaxeDomain.main();})();

Btw, I also:

• Added require('tty'); for tty, which was missing.
• Removed public static var queryString:NodeQueryString; since there is already public static var querystring(default,null) : NodeQueryString;