* This patch adds rebuildEM tool support to work with compressed files.
* This patch increases a version of the file header.
Note: Default version of the `rebuildEM` tool was using very old API,
those functions are not present currently. So `rebuildEM` will not work with
files created without compression, because we cannot deduce some info which are
needed to create column extent.
an owner for all data files created by cpimport
The patch consists of two parts: cpimport.bin changes, cpimport splitter
changes
cpimport.bin computes uid_t and gid_t early and propagates it down the stack
where MCS creates data files
