fixed requirements.txt typos
Merge pull request #2017 from OCHA-DAP/fix-req-txt

fixed requirements.txt typos
Merge pull request #2018 from OCHA-DAP/dev

Dev into Stag
version 0.5.12
Merge branch 'dev' of https://github.com/OCHA-DAP/hdx-ckan.git into dev
Merge pull request #2020 from OCHA-DAP/dev

Dev into Stag
Merge pull request #2021 from OCHA-DAP/staging

Staging into Prod