Max TRSH ESS counter

Added a counter now to how many times ARC will troubleshoot an ESS job. This is set in the settings.py - default is 10 times.

Author: calvinp0

arc/settings/settings.py

@@ -272,6 +272,7 @@
 inconsistency_ab = 0.3  # maximum allowed inconsistency between consecutive points in the scan given as a fraction
                         # of the maximum scan energy. Default: 30%
 max_rotor_trsh = 4      # maximum number of times to troubleshoot the same rotor scan
+max_ess_trsh = 10       # maximum number of times to troubleshoot the same ESS job (opt, sp, freq, etc.)
 
 # Thresholds for identifying significant changes in bond distance, bond angle,
 # or torsion angle during a rotor scan. For a TS, only 'bond' and 'torsion' are considered.