Linkero

Added getDomain and getResourceURL for HATEOAS (*Hypermedia as the Engine of Application State*) design.

Example:

{
"links": [{
"rel": "self",
"href": "http://mascandobits.es:8080/soccer/api/teams/5000"
}, {
"rel": "stadium",
"href": "http://mascandobits.es:8080/soccer/api/teams/5000/stadium"
}, {
"rel": "players",
"href": "http://mascandobits.es:8080/soccer/api/teams/5000/players"
}],
"teamId": 5000,
"name": "Real Madrid C.F.",
"foundationYear": 1902,
"rankingPosition": 1
}

- Added Password Hash Generator Tool --> [tools.py](https://github.com/RDCH106/linkero/blob/master/tools.py)
- Added checkUser for API privileges for each user
- Secutiry fix 829ac48888a1f91bfd11eea37b4db5152bfa05ff
- Added [testBasicAPI](https://github.com/RDCH106/linkero/blob/master/examples/testBasicAPI.py) and [testPrivAPI](https://github.com/RDCH106/linkero/blob/master/examples/testPrivAPI.py) examples
- Integration with [Travis](https://travis-ci.org/RDCH106/linkero) and [Codacy](https://www.codacy.com/app/RDCH106/linkero/dashboard) to improve the code quality

- Restful API server
- Public access
- Private access
- Security using user and password authentication
- Security using token
- Users persistence using sqlite
- Configurable
- Easy to add new APIs