Human 1.9.0

• Style (PR #294):
  • add and reformat citations in README
• Fixes (PR #292):
  • replace deprecated Ensembl gene ids with updated ones, as reported in #278
  • update genes.tsv annotation file using script fetch_ensembl_gene_annotations
• Features (PR #291):
  • adjust sanityCheck script to enable the detection of reusing deprecated MA ids, as discussed in #265
• Fixes (PR #290):
  • fix the ATP hydrolysis stoichiometry in biomass equation MAR13082, as reported in #289.
• Fixes (PR #287):
  • refactor fetch_ensembl_gene_annotations.py script to allow retrieving annotations with empty gene symbols or ENSP ID, and to show the replacement Ensembl IDs for deprecated ones, as proposed in #278
• Features (PR #286):
  • introduces a GH Action for testing the yaml conversion with testYamlConversion.
• Fixes (PR #285):
  • fix: merge duplicated long-chain fatty acyl-CoA mets, as reported in #268, #269
• Style (PR #284):
  • rename default branch (master --> main) as discussed in #226
  • change default branch names in repo documents and code
• Fixes (PR #283):
  • remove cytosolic protons from reaction in other subcellular compartments, as detailed in #282
    • revise MAR05259 by replacing proton with lysosomal version
    • remove MAR04758 that is duplicate to MAR01044
    • remove MAR01459 that is duplicate to MAR02041, whose proton is replaced with the mitochondrial version
• Fixes (PR #281):
  • excluded gene ENSG00000197375 from MAR02590 (carnitine shuttle), due to lack of evidence (#279)
• Style (PR #275):
  • add .gitattributes file to ensure consistent LF line endings as discussed in #264
• Features (PR #274):
  • add rxnNotes field to Human-GEM, as planned in #272
  • adjust importYaml/exportYaml functions to enable handling of rxnNotes field