Core: Added check if cut was found

Added a check if the cut with the specified cutname was found to prevent
passing null pointers within acqu which leads to segfaults
User: Check if cuts are found to prevent segfaults
User: Remove UCLA/Sergeys clustering algorithm
User: Remove TAPS-specific clustering
User: Get rid of Max-TAPSCluster config, should always be Max-Cluster
Core: Remove TA2TOFApparatus, including unused base classes
Core: Fixed code indentation
Core: Refactor: De-inline TA2ClusterDetector/HitCluster_t methods
Scripts: Add some Next-Neighbour: perl helper scripts
Scripts: Remove intermediate helper scripts again
Core: New clustering algorithm

The details are described in the DAQ Wiki here:
http://wwwa2.kph.uni-mainz.de/intern/daqwiki/analysis/clustering
User: MC: Modifications for new clustering algorithm
Calib: Fix Next-Neighbour statement for new cluster algorithm