L1: replaced preprocessor macros DO_NOT_SELECT_TRIPLETS, TRACKS_FROM_TRIPLETS, TRACKS_FROM_TRIPLETS_ITERATION, EXTEND_TRACKS with flags in L1CAIteration

L1: Added boost serializers for L1Parameters objects and their components; implemented an interface for parameters and input data RW

L1: U and V coordinates and uncertainties conversion methods were refactored and moved from L1Algo to L1Station

L1: add consistency checkers for L1Parameters, L1Station, L1UMeasurementInfo, L1XYMeasurementInfo, L1MaterialInfo, L1Material, L1FieldSlice, L1FieldRegion, L1FieldValue classes

L1Algo: constexpr constants moved from L1Parameters class to the L1Constants namespace (L1Constants.h)