Added isotopic envelope information to PSMs for use in PEP calculations

[Alexander-Sol]

Appveyor wasn't building, hoping re-opening the PR will help

[codecov[bot]]

Codecov Report

Merging #2171 (41ffec8) into master (fb9ac73) will increase coverage by 0.00%. The diff coverage is 96.10%.

:exclamation: Current head 41ffec8 differs from pull request most recent head 411b29a. Consider uploading reports for the commit 411b29a to get more accurate results

@@           Coverage Diff           @@
##           master    #2171   +/-   ##
=======================================
  Coverage   90.59%   90.59%           
=======================================
  Files         121      121           
  Lines       18573    18637   +64     
  Branches     2573     2577    +4     
=======================================
+ Hits        16827    16885   +58     
- Misses       1272     1275    +3     
- Partials      474      477    +3     

Impacted Files	Coverage Δ
TaskLayer/MetaMorpheusTask.cs	87.06% <80.00%> (ø)
EngineLayer/FdrAnalysis/PEPValueAnalysisGeneric.cs	96.38% <96.61%> (+0.01%)	:arrow_up:
EngineLayer/FdrAnalysis/PsmData.cs	92.50% <100.00%> (+0.19%)	:arrow_up:
EngineLayer/Ms2ScanWithSpecificMass.cs	76.86% <100.00%> (+0.89%)	:arrow_up:
EngineLayer/PeptideSpectralMatch.cs	98.94% <100.00%> (+0.01%)	:arrow_up:
GuiFunctions/MetaDraw/MetaDrawLogic.cs	91.98% <0.00%> (-0.62%)	:arrow_down:
EngineLayer/PsmTsv/PsmFromTsv.cs	97.63% <0.00%> (-0.03%)	:arrow_down: