Get rid of npm package.json warnings

Repository field, description and readme.md added in both client and server folders.
Merge branch 'package_json_format' into 'master'

Package json format

Get rid of npm package.json warnings

Repository field, description and README.md added in both client and server folders.

See merge request !6
Handle close events coming from issues webhook (Closes #22)
Merge branch '1.0'