Merge pull request #1 from amber-smalltalk/master

Update from original
added additional jQuery  constructor

http://api.jquery.com/jquery/#jQuery1

It is now possible to add a specified context as parameter to the jQuery
constructor.
added additional jQuery constructor

http://api.jquery.com/jquery/#jQuery1

It is now possible to add a specified context as parameter to the jQuery
constructor.
Merge pull request #866 from HeSe/master

jQuery constructors extended