hdf5_msb

[svn-r6202] 
Purpose:
Fix bugs for windows platform.
Description:
1. Update HDlseek for windows
2. Update H5Otime.c for normal time(non-daylight time)
3. Add H5_DLL in front of two functions so that windows DLL can work.
Solution:
Platforms tested:
windows 2000, eirene(since most updates have WIN32 around it, not need to test other platforms)
Misc. update:
    Update MANIFEST if you add or remove any file.
    Update release_docs/RELEASE for bug fixes, new features, etc.
    Update applicable document files too.