Include algorithm to translate SCells from Raw format to CaloCellContainer format

This is to be a step of "translation" between two container formats so that Super-Cells can be used also for monitoring (quasi-online and Tier0) modes. To be rechecked by @pavol and @lily.. One thing we still don't have and we certainly would need is a way to check whether a given Super-Cell was BCID'ed. We can do that in another MR..