Renamed "node.js" folder into "nodejs" not to confuse linting task
Updated grunt file for Grunt v0.4. Linting task added
Documentation: fixed missing parenthesis
v0.3.0

Changelog:
- Documentation completed
- RegexFilter: default values updated to match log4j
- Logger: inherits Filter on top of trace level from its ancestor
- Console and Socket appenders now have the same names as in log4j
- Updated build file to Grunt v0.4
- new "registerLevel" function exposed in LogManager