chore(access): Pull most acl logic into an OO service

Refs #3568
chore(relationships): Move SQL logic into OO service
chore(security): Move site secret logic into OO service
chore(users): Move users logic to OO service
chore(metadata): Move most metadata logic into OO service
Merge pull request #7456 from ewinslow/oo-users-table

chore(users): Move users logic to OO service
Merge pull request #7455 from ewinslow/oo-site-secret

chore(security): Move site secret logic into OO service
Merge pull request #7454 from ewinslow/oo-relationships-table

chore(relationships): Move SQL logic into OO service
Merge pull request #7453 from ewinslow/oo-metadata-table

chore(metadata): Move most metadata logic into OO service
Merge pull request #7435 from ewinslow/oo-access

chore(access): Pull most acl logic into an OO service
chore(i18n): Move languages logic into OO service