version 2.0.9
fix increasing files if metadata have checksums in there filenames

the copy to .repodata, download new metadata and move it back to repodata
increase the filesize with every sync, because old files are not removed.

Do not copy files anymore which are prefixed with the checksum and
fix the download behavior.
add an overview description
Merge branch 'master' into pubCloudSMT

Conflicts:
	Makefile
	package/smt.spec