Leverage london doc as much as possible

Leverage london doc as much as possible

Please note the following projects have still not created
their london branches yet:

'onap-aai-aai-common'
'onap-aai-sparky-be'
'onap-ccsdk-apps'
'onap-ccsdk-features'
'onap-cps-cps-temporal'
'onap-modeling-etsicatalog'
'onap-msb-discovery'
'onap-msb-java-sdk'
'onap-msb-swagger-sdk'
'onap-multicloud-framework'
'onap-multicloud-k8s'
'onap-oom'
'onap-oom-platform-cert-service'
'onap-optf-has'
'onap-optf-osdf'
'onap-osa'
'onap-usecase-ui'
'onap-vfc-nfvo-lcm'
'onap-vnfsdk-model'

Issue-ID: DOC-811

Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
Change-Id: I5dda5e666d1f33367324cab5ac8829a1fc685798