Fixes for run2-patches
This is an update to get Alignment working in run2-patches. The main modifications are:
- the Escher/Configuration.py is changed such that it is compatible with the rest of run2-patches
- packages AlignKernel, TAlignment, and AlignSolvTools are (more of less) synchronized with recent changes in master (see !123 (merged))
- the test reference files are updates
- resolved compilation errors on clang8
- fixed TrackParticleRefitter such that it also works for decay trees
Edited by Wouter Hulsbergen