Add the documentation for the monitoring API
First version of the monitoring API

Add the routes:
- /entries/<name>/stats
- /entries/<name>/status
- /entries/<name>/start
- /entries/<name>/stop
- /entries/<name>/restart
Fix typo in API (stats -> status)
Use PUT for actions in the API
GET -> PUT for actions in API implementation
Merge pull request #67 from onitu/monitoring

First version of the monitoring API. Fix #50
Remove tox from requirements_dev to fix requirements_all
Monitoring API: fix the return codes

409 (conflict): the entry is not in the expected state
404: entry not found
Monitoring API: change the responses
Monitoring API: fix the doc
Monitoring API: tests for stats and status
Add requests in the dev's requirements
Add options to choose en which port Onitu should run
Remove overlap for test_move filenames
handle exceptions in the rest api
Send the endpoint to the REST API
Add tests for the REST API
Fix a problem in py3 for the tests
Fix error in LocalStorage on Windows. cf #74
Ugly fix to improve the tests