Shinken configuration optimization adaptation

This patch adapts the `LiveStatusRegenerator` class to the way to add
objects into containers introduced in
https://github.com/naparuba/shinken/pull/1311

Please note that this patch depends on the pull request described above,
and should be used only once it has been accepted, and the shinken core
has been updated.
Merge pull request #36 from geektophe/shinken_conf_optimize_adaptation

Enh : Shinken configuration optimization adaptation