Merge remote-tracking branch 'origin/staging' into OCF1-remove-deprecated-documentation-of-curl-testing

Ocf17 parse response from db to object to accomplish spec

See merge request !9

# Conflicts:
#   services/register/register_service/core/register_operations.py

Resolve "Remove not used prometheus folder"

See merge request !13

Ocf18 clean script to remove temporal files git ignored files

See merge request !12

Resolve "Access with credentials to DB"

See merge request !11

Ocf4 register user password must be hashed

See merge request !10

Resolve "Improve Help scripts under services"

See merge request !6

Resolve "Improve documentation of postman"

Closes #2

See merge request !7

Fix Bug in deployment of Prometheus stack

See merge request !4