change Some unexpected error happened. to Other errors as indicated.
2) delete unused parameter in IScsiConfigFormInit()
3) correct IN OUT mistake in IScsiSessionInit ()
4)roll back one update for Piece of code in IScsiDhcp.c around line 99 on FieldIndex
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7013 6f19259b-4bc3-4df7-8a09-765794883524
change the old code style to comply with Doxgen format
[Impaction]
add comments for every function
[Reference Info]
add comments to achieve the highest standard of code quality matrix
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5079 6f19259b-4bc3-4df7-8a09-765794883524