tabled version 0.5 released

Coinciding with hail core v0.7 release is this tabled release, v0.5, at 
the usual places:

git://git.kernel.org/pub/scm/daemon/distsrv/tabled.git
http://www.kernel.org/pub/software/network/distsrv/tabled/
ftp://ftp.kernel.org/pub/software/network/distsrv/tabled/

Release notes:

- update for hail v0.7, newly combined from cld+chunkd packages
- reduce CLD client verbosity
- check for db 4.8, 4.9, 5.0
- use new ncld API internally
- background replication thread
- config: add <Group> (one cell), drop <StorageNode>
- add new tests
- fixes for many serious bugs and crashes