vchoi_fork

[svn-r3009] Purpose:
    New parallel test features
Description:
    Added test cases:
	INDEPENDENT write with some processes do not participate at all.
	    The library should not hang for this case.
	COLLECTIVE read/write with some processes asking for zero elements.
	    The library should work properly and not hanging.
    Some house cleaning: get rid of a conditional directive that was
	fixed already.
Platforms tested:
    IRIX64,-64,parallel