demo: create splitted table + appropriate row keys

To make the demo more interesting on a real cluster, create a pre-splitted table so that the whole cluster will be replicating from the beginning.
Removed dashes from the default uuid.tostring representation so that they don't appear in the part of the string that is used for split selection.
Separating RPM generation into a separate profile to enable builds on non-RPM based Linux distros
Merge branch 'master' of github.com:NGDATA/hbase-indexer
Merge branch 'master' of git://github.com/rvs/hbase-indexer into rvs-master