clean recompile
changing sampling section to have variable size definition
debug of digi + add geometry v5 for ECAL
fix several 100um sensitive layers indexing
fix ecal only setup in digitiser
adding version and model in root file
Merge pull request #4 from amagnan/AM-dev

- changed detector construction / sampling sections to take any number/kind of elements
- implement Calice and ECAL geometry v5 versions.
- propagate changes to digitiser/analysis