Reset of election version is 1 and not 0 apparently
Remove use of non-versioned voting
Removed backward compatibility test
Do rolling upgrade from 2.1.2, not 2.0.3
Merge pull request #2602 from rickardoberg/removenonversionedelections

Remove non-versioned elections
Upgrade CodeMirror. Fix broken search highlighting.
Minor fixes in docs, mostly around Cypher.