Fix -d0 option to not do unwanted chunking or associated shuffle.
Add -c '/' option to specify changing layout for all variables from chunked to contiguous.
Fix logic for chunking and compression depending on input and output formats.
Merge branch 'master' of https://github.com/Unidata/netcdf-c
Fix Jira ticket NCF-295, nccopy -d0 shuffle and chunking issues
Merge branch 'bug-endianness', which really had to do with nccopy -d0
and chunking issues.