Modified the start_test script slightly so that if CHPL_COMM is not "none" then the default numLocales is set to "1".  This should make it easier to test gasnet on all tests in the simple case of just running it.
Modified the start_test script slightly so that if CHPL_COMM is not
"none" then the default numLocales is set to "1".  This should make it
easier to test gasnet on all tests in the simple case of just running
it.


git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@12970 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

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