Remove grunt
Add isNatural validator
Add MIT source code headers
Implementing a new validator interface that allows scopes "params", "queries" and "body" check
Update documentation
Update documentation
Update .travis.yml
Delete .jshintrc
Chnage scope names :
* params -> resources
* query -> queries
* body -> body
Merge origin/master
Allowing paramMatches to check variable from another scope
Impove test for isNatural validator
Update README.md
Add isBoolean validator
Add isBoolean validator
Merge origin/master

Conflicts:
	lib/compatible-validator.js
Rename body scope in content scope
Remove empty integration test
Correct misspelled import
Splitting unitary and integration tests in separate folders