Add stack volume support

[freignat91]

related to Engage team request: #354

add volume management in stack file

test:

• make install
  • ./swarm start

test 1: create service with internal volume

• amp stack up test1 -f api/rpc/stack/test_samples/sample-14.yml
• docker ps | grep test1.pinger -> get the id
• docker exec -it [id] sh
• cd /tmp2 : to verify that we well have a dir /tmp2 in the container created by the volume

test 2: create service with volume linked to host directory

• amp stack up test2 -f api/rpc/stack/test_samples/sample-15.yml
• docker ps | grep test2.pinger -> get the id
• docker exec -it [id] sh
• ls /tmp2 : list the host /tmp files

test 3: create service with a named volume

• amp stack up test3 -f api/rpc/stack/test_samples/sample-16.yml
• docker volume ls -> show "myvolume" in the list
• docker ps | grep test3.pinger -> get the id
• docker exec -it [id] sh
• cd /tmp2 : to verify that we well have a dir /tmp2 in the container created by the volume

[generalhenry]

Tested locally