Add embeded libregrah/idm server

This add a new service "idm" providing and LDAP service (via ldaps) on
port 9235.  If not existing it will bootstrap an initial LDAP tree and
administrative user as well as a self-signed Certificate and Key
(similar to what is done for glauth).

ocis-pkg/config/config.go

@@ -7,6 +7,7 @@ import (
 	glauth "github.com/owncloud/ocis/glauth/pkg/config"
 	graphExplorer "github.com/owncloud/ocis/graph-explorer/pkg/config"
 	graph "github.com/owncloud/ocis/graph/pkg/config"
+	idm "github.com/owncloud/ocis/idm/pkg/config"
 	idp "github.com/owncloud/ocis/idp/pkg/config"
 	nats "github.com/owncloud/ocis/nats/pkg/config"
 	notifications "github.com/owncloud/ocis/notifications/pkg/config"
@@ -62,6 +63,7 @@ type Config struct {
 	Graph         *graph.Config         `ocisConfig:"graph"`
 	GraphExplorer *graphExplorer.Config `ocisConfig:"graph_explorer"`
 	IDP           *idp.Config           `ocisConfig:"idp"`
+	IDM           *idm.Config           `ocisConfig:"idm"`
 	Nats          *nats.Config          `ocisConfig:"nats"`
 	Notifications *notifications.Config `ocisConfig:"notifications"`
 	OCS           *ocs.Config           `ocisConfig:"ocs"`

ocis-pkg/config/defaultconfig.go

@@ -5,6 +5,7 @@ import (
 	glauth "github.com/owncloud/ocis/glauth/pkg/config"
 	graphExplorer "github.com/owncloud/ocis/graph-explorer/pkg/config"
 	graph "github.com/owncloud/ocis/graph/pkg/config"
+	idm "github.com/owncloud/ocis/idm/pkg/config"
 	idp "github.com/owncloud/ocis/idp/pkg/config"
 	nats "github.com/owncloud/ocis/nats/pkg/config"
 	notifications "github.com/owncloud/ocis/notifications/pkg/config"
@@ -31,6 +32,7 @@ func DefaultConfig() *Config {
 		GLAuth:        glauth.DefaultConfig(),
 		Graph:         graph.DefaultConfig(),
 		IDP:           idp.DefaultConfig(),
+		IDM:           idm.DefaultConfig(),
 		Nats:          nats.DefaultConfig(),
 		Notifications: notifications.DefaultConfig(),
 		Proxy:         proxy.DefaultConfig(),