Edits 1.05 upgrades page to include link to changelog
Adds new page around 2.01 headlines
Formatting of sub-headings: #162
Fix 2.01 upgrade naviagation
edit versions page@ #164
Merge branch 'master' of https://github.com/IATI/IATI-Guidance
Adds IATIOrganisationIdentifier to 2.01 changelog: #157
Adds document-link bug fix: #167
[#153] Fixes the common schema update text