fix: predictLocalization, setParam and copyToComps

[edkerk]

Main improvements in this PR:

• fix:
  • predictLocalization and parseScores to correctly handle output from CELLO
  • setParam report reactions not found in model
  • mergeModels will only make new metFrom, rxnForm and geneFrom fields if none of the initial models have these fields
  • copyToComps does not add or modify metFrom, rxnForm or geneFrom fields
  • addRxns makes sure that subSystems are nested cell arrays
  • fitTasks parses correct arguments to fillGaps
• refactor:
  • exportModel speed-up subSystems handling
• feat:
  • runRAVENtests runs RAVEN unit tests
• doc:
  • parseTaskList clarifies that it can handle boht *.txt and *.xlsx as input

Instructions on merging this PR:

• This PR has develop as target branch, and will be resolved with a squash-merge.
• This PR has main as target branch, and will be resolved as descriped here.

[edkerk]

Tests passed locally