* Dropped composefs-from-json in tests in favour of using the
composefs-info dump format.
* libyajl dependency dropped
* libcomposefs now limits the number of xattrs per file to 64k
* Fixed build against libc without reallocarray
* Performance fixes
* go-md2man is used instead of pandoc for manpages
* Minor fixes to spec file
Import of source code of 1.0.1 and spec file.
Test of build for rawhide.
TODO: move to %auto items
Signed-off-by: Stephen Smoogen <ssmoogen@redhat.com>