* Add key information to list endpoints in identity.
Also fixes some bugs from before where we were persisting data that we
should not have been (mount type/path).
* Add cached lookups of real time mount info
* Start work on passing context to backends
* More work on passing context
* Unindent logical system
* Unindent token store
* Unindent passthrough
* Unindent cubbyhole
* Fix tests
* use requestContext in rollback and expiration managers
* Doc updates and API refactoring
* fix tests
* change metadata fieldtype to TypeKVPairs
* Give example for TypeKVPairs in CLI for metadata
* Update API docs examples to reflect the native expected value for TypeKVPairs
* Don't mention comma separation in the docs for TypeCommaStringSlice
* s/groups/group; s/entities/entity; s/entity-aliases/entity-alias; s/group-aliases/group-alias
* Address review feedback
* Fix formatting
* fix sidebar links
* return group memberships of entity during read
* Add implied group memberships to read response of entity
* distinguish between all, direct and inherited group IDs of an entity
* address review feedback
* address review feedback
* s/implied/inherited in tests
* external identity groups
* add local LDAP groups as well to group aliases
* add group aliases for okta credential backend
* Fix panic in tests
* fix build failure
* remove duplicated struct tag
* add test steps to test out removal of group member during renewals
* Add comment for having a prefix check in router
* fix tests
* s/parent_id/canonical_id
* s/parent/canonical in comments and errors
* porting identity to OSS
* changes that glue things together
* add testing bits
* wrapped entity id
* fix mount error
* some more changes to core
* fix storagepacker tests
* fix some more tests
* fix mount tests
* fix http mount tests
* audit changes for identity
* remove upgrade structs on the oss side
* added go-memdb to vendor
Vishal Nayak