Fix LDAP config lookup for provider 'ldap'
Merge branch 'fix_ldap_config_lookup' into 'master'

Fix LDAP config lookup for provider 'ldap'

See merge request !1213
Create RepoTag Grape entity and present it when doing stuff with tags via API. Update API doc for repositories.
Add tag message to tag list page in UI.  Update Changelog.
Update spec to set .gitconfig identity, required for annotated tags. Trying to use global config to set identity now.
Trying to fix repositories_spec