Fix ref vars for --no-local and gasnet
Fix ref vars for --no-local and gasnet

[reviewed by brad/sung]

I originally hadn't tested reference variables with no-local or gasnet,
loosening an ASSERT in parallel.cpp was all that was needed to make them
work.


git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@23799 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

sungeunchoi/chapel,chizarlicious/chapel,CoryMcCartan/chapel,chizarlicious/chapel,hildeth/chapel,CoryMcCartan/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,hildeth/chapel,CoryMcCartan/chapel,hildeth/chapel,hildeth/chapel,chizarlicious/chapel,chizarlicious/chapel,CoryMcCartan/chapel,hildeth/chapel,sungeunchoi/chapel,hildeth/chapel,sungeunchoi/chapel,sungeunchoi/chapel,hildeth/chapel,sungeunchoi/chapel,chizarlicious/chapel,CoryMcCartan/chapel,chizarlicious/chapel,chizarlicious/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,sungeunchoi/chapel