Add MUSIC project submodule and toctree refs

Change-Id: I88174a9eae28b4cf212ad6059d36b3ffff101ff1
Signed-off-by: Rich Bennett <rb2745@att.com>
Issue-ID: DOC-253
diff --git a/docs/release/repolist.rst b/docs/release/repolist.rst
index d29aa83..148c1dd 100644
--- a/docs/release/repolist.rst
+++ b/docs/release/repolist.rst
@@ -16,40 +16,34 @@
 
    aaf/authz <../submodules/aaf/authz.git/docs/index>
    AAI - Active & Available Inventory <../submodules/aai/aai-common.git/docs/index>
-   AAI External System Registration UI <../submodules/aai/esr-gui.git/docs/index>
+   aai/event-client <../submodules/aai/event-client.git/docs/index>
    AAI External System Registration Server <../submodules/aai/esr-server.git/docs/index>
+   AAI External System Registration UI <../submodules/aai/esr-gui.git/docs/index>
    AAI Sparky Inventory UI <../submodules/aai/sparky-be.git/docs/index>
-   ../submodules/appc/deployment.git/docs/index
-   ../submodules/appc.git/docs/index
    CCSDK Dashboard <../submodules/ccsdk/dashboard.git/docs/index>
    ccsdk/distribution <../submodules/ccsdk/distribution.git/docs/index>
+   CCSDK Orchestrator Plugins <../submodules/ccsdk/platform/plugins.git/docs/index>
    ccsdk/parent <../submodules/ccsdk/parent.git/docs/index>
    ccsdk/platform/blueprints <../submodules/ccsdk/platform/blueprints.git/docs/index>
    ccsdk/platform/nbapi <../submodules/ccsdk/platform/nbapi.git/docs/index>
-   CCSDK Orchestrator Plugins <../submodules/ccsdk/platform/plugins.git/docs/index>
    ccsdk/storage/esaas <../submodules/ccsdk/storage/esaas.git/docs/index>
    ccsdk/storage/pgaas <../submodules/ccsdk/storage/pgaas.git/docs/index>
    ccsdk/utils <../submodules/ccsdk/utils.git/docs/index>
-   ../submodules/clamp.git/docs/index
-   ../submodules/cli.git/docs/index
-   ../submodules/dcaegen2.git/docs/index
-   ../submodules/dmaap/messagerouter/messageservice.git/docs/index
+   dmaap/datarouter <../submodules/dmaap/datarouter.git/docs/index>
+   dmaap/dbcapi <../submodules/dmaap/dbcapi.git/docs/index>
    HOLMES - Alarm Correlation and Analysis <../submodules/holmes/engine-management.git/docs/index>
    HOLMES - Architecuture and APIs <../submodules/holmes/rule-management.git/docs/index>
    integration <../submodules/integration.git/docs/index>
    logging-analytics <../submodules/logging-analytics.git/docs/index>
-   ../submodules/modeling/modelspec.git/docs/index
    modeling/toscaparsers <../submodules/modeling/toscaparsers.git/docs/index>
-   MSB - Microservice Bus <../submodules/msb/apigateway.git/docs/index>
    msb/discovery <../submodules/msb/discovery.git/docs/index>
    msb/java-sdk <../submodules/msb/java-sdk.git/docs/index>
+   MSB - Microservice Bus <../submodules/msb/apigateway.git/docs/index>
    msb/swagger-sdk <../submodules/msb/swagger-sdk.git/docs/index>
    MultiCloud Framework <../submodules/multicloud/framework.git/docs/index>
+   music <../submodules/music.git/docs/index>
    ONAP Operations Manager <../submodules/oom.git/docs/index>
-   ../submodules/optf/has.git/docs/index
-   ../submodules/policy/engine.git/docs/index
-   ../submodules/portal.git/docs/index
-   Service Design and Creation <../submodules/sdc.git/docs/index>
+   optf/osdf <../submodules/optf/osdf.git/docs/index>
    sdc/jtosca <../submodules/sdc/jtosca.git/docs/index>
    sdc/sdc-distribution-client <../submodules/sdc/sdc-distribution-client.git/docs/index>
    sdc/sdc-docker-base <../submodules/sdc/sdc-docker-base.git/docs/index>
@@ -57,17 +51,24 @@
    sdc/sdc-tosca <../submodules/sdc/sdc-tosca.git/docs/index>
    sdc/sdc-workflow-designer <../submodules/sdc/sdc-workflow-designer.git/docs/index>
    sdnc/oam <../submodules/sdnc/oam.git/docs/index>
+   Service Design and Creation <../submodules/sdc.git/docs/index>
    Service Orchestrator <../submodules/so.git/docs/index>
    so/libs <../submodules/so/libs.git/docs/index>
-   Use Case User Interface <../submodules/usecase-ui.git/docs/index>
-   VFC - Virtual Function Controller <../submodules/vfc/nfvo/lcm.git/docs/index>
-   VID - Virtual Infrastructure Deployment <../submodules/vid.git/docs/index>
-   vid/asdcclient <../submodules/vid/asdcclient.git/docs/index>
+   ../submodules/appc/deployment.git/docs/index
+   ../submodules/appc.git/docs/index
+   ../submodules/clamp.git/docs/index
+   ../submodules/cli.git/docs/index
+   ../submodules/dcaegen2.git/docs/index
+   ../submodules/dmaap/messagerouter/messageservice.git/docs/index
+   ../submodules/modeling/modelspec.git/docs/index
+   ../submodules/optf/has.git/docs/index
+   ../submodules/policy/engine.git/docs/index
+   ../submodules/portal.git/docs/index
    ../submodules/vnfrqts/guidelines.git/docs/index
    ../submodules/vnfrqts/requirements.git/docs/index
+   Use Case User Interface <../submodules/usecase-ui.git/docs/index>
+   VFC - Virtual Function Controller <../submodules/vfc/nfvo/lcm.git/docs/index>
+   vid/asdcclient <../submodules/vid/asdcclient.git/docs/index>
+   VID - Virtual Infrastructure Deployment <../submodules/vid.git/docs/index>
    VNF Software Development Kit <../submodules/vnfsdk/model.git/docs/index>
    vvp/documentation <../submodules/vvp/documentation.git/docs/index>
-   aai/event-client <../submodules/aai/event-client.git/docs/index>
-   optf/osdf <../submodules/optf/osdf.git/docs/index>
-   dmaap/datarouter <../submodules/dmaap/datarouter.git/docs/index>
-   dmaap/dbcapi <../submodules/dmaap/dbcapi.git/docs/index>