[java/cs] Added proper handling of overloaded constructors (super() and new()). Fixed bug in C#'s type parameter application of TNew fields


git-svn-id: http://haxe.googlecode.com/svn/trunk@6497 f16182fa-f095-11de-8f43-4547254af6c6
[cpp] Add emscripten conditional

git-svn-id: http://haxe.googlecode.com/svn/trunk@6498 f16182fa-f095-11de-8f43-4547254af6c6