L1 Algo: initialization interface, parameters and refactoring updates

Updates:

• Introduction of the L1CAIteration class describing a track finder iteration (its parameters and keys)
• Introduction of the ToString function for small L1Algo classes, code refactoring
• Introduction of L1ObjectInitController - template class for checking the fields initialization status
• New communication structure between L1Algo, L1Parameters, L1InitManager and CbmL1 classes
• Some minor updates