vchoi_fork

[svn-r9309] Purpose:
Cleanup

Description:
Remove old hack for H5Eget_auto() which is not needed any more.
Reverse H5E_set_auto_stack(H5EDEFAULT,...) back to previous
code of H5E_set_auto(...).  Same for H5E_get_auto_stack.

Platforms tested:
Only tested in Eirene PP as the change is pretty straight
forward.

Misc. update: