vchoi_fork

[svn-r20855] Issue 2599 - Cross-test BE and LE data.  I added the test for deflate, szip, fletcher32, shuffle and nbit filter in cross_read.c and gen_cross.c.  I also took out the data file for OpenVMS because the data isn't native but IEEE for floating-numbers.

Tested on koala, heiwa, and jam.