[COMMON][MUSIC] Uses new tpls for repos / images

This commit makes music template to use the new generator for repositories and
images.
As new templates doesn't work well with "sub charts", we move also
subcharts to components folder.

Issue-ID: OOM-2364
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Icd5caef12b28cbcc246cf30a13426d6eb11cfe20
34 files changed