Merge pull request #1 from gdchamal/master

Initial commit to make developement environment more simpler
Import fig scripts, update README.
Fix wrong directory resolution in install script
Fix fig install
Fix venv path should be path independant in install script
Fix volumes_from should be a list in fig.yml
Merge pull request #2 from CaliOpen/features/fig-install

[WIP] Ease development install
no more needed bootstrap.sh
rework common.sh for better integration
use of common.sh in install and start script
remove old scripts, update README according
Merge branch 'gdchamal-cleanup'