First real use of API versioning code, H5E routines switched to use
new API versioning scheme.
Tested on:
Mac OS X/32 10.4.10 (amazon)
FreeBSD/32 6.2 (duty)
FreeBSD/64 6.2 (liberty)
Linux/32 2.6 (kagiso)
Linux/64 2.6 (smirom)
Solaris/32 5.10 (linew)
Rename new error handling API routines from H5E<foo>_stack() to
H5E<foo>2().
Tested on:
Mac OS X/32 10.4.9 (amazon)
FreeBSD/32 6.2 (duty)
FreeBSD/64 6.2 (liberty)