ObjectStar rule

ObjectStar is a specialist commercial mainframe programming language.
Create helloworld.el
MUMPS language added;

This covers ANSI/ISO MUMPS, including
FIS GT.M, Intersystems Caché, and all
the other common M implementations.
Emerald Hello World

Hello world in Emerald http://www.emeraldprogramminglanguage.org
update CONTRIBUTORS
Merge remote-tracking branch 'cristobal/patch-1'
update CONTRIBUTORS
Merge remote-tracking branch 'ztmr/master'
update CONTRIBUTORS
Merge remote-tracking branch 'leight/objectstar'
update CONTRIBUTORS
Merge remote-tracking branch 'qiongyue/patch-1'
update CONTRIBUTORS
adding Chuck
update CONTRIBUTORS