Add basic compatibility with IMGAPI v2#10

Open

mguegan wants to merge 9 commits intonshalman:masterfrom

virtua-network:master

Commits on Aug 9, 2014

Try to be compatible with the version 2 of IMGAPI
mguegan
committed
Wait on md5sum before sending the dataset
mguegan
committed
Fix last commit cleanup
mguegan
committed
Forgot hash definition
mguegan
committed
Fix indent
mguegan
committed

Commits on Apr 19, 2015

imgadm is now using accept-version header
mguegan
committed
Version bump
mguegan
committed
Add nodemon config file (clean restarting)
mguegan
committed
Add SIGINT/SIGTERM handler (ready for PM2 management)
mguegan
committed