Merge release-horizon-v1.12.0 into master#3250

Merged

bartekn merged 3 commits intomasterfrom release-horizon-v1.12.0

Nov 24, 2020

+27-15

Commits on Nov 17, 2020

ingest/ledgerbackend: Fix off-by-one in CaptiveStellarCore (#3231 )
bartekn
authored

Commits on Nov 18, 2020

Captive Core API fixes (#3232 )
tamirms
authored

Commits on Nov 23, 2020

Add CHANGELOG entry for Horizon 1.12.0 (#3245 )
2opremio
authored