Dockerfile: replace ENTRYPOINT by CMD

See merge request !38

Make it easier to override the default command.

Dockerfile: add yarn.lock before running `yarn install`

Closes #61

See merge request !37

fix #61

update dockerignore and gitignore

Closes #60

See merge request !36

`models` should not be versioned or added to the container
added a lot of useless files to .dockerignore

fix #60

Hublot sbenhamiche#33

Closes #33

See merge request !35

Issue 55 - Manage reconnection

Allow the bot to reconnect to a conference with a proper initialisation
state

Closes #56

See merge request !34

Add LICENSE file and headers

Closes #49

See merge request !33

fix #49

[issue-34] Disconnect on meeting ending

Closes #34

See merge request !31

Add node 7 config file

See merge request !32

Issue 31

See merge request !30

Add README.md

See merge request !29

Create new section about models issue
Add other minor modifications

Issue 32

Closes #32

See merge request !28

Change base image to node:8-alpine

Add tmp/ and nohup.out to .dockerignore