Version 2.0.0

• code is heavily refactored due to new modularity system.
• started bundling with browsify's module dependency loader.
• directory reorganisation and config folder for customising tasks.
• grunt is replaced with gulp, in order to handle build tasks.
• new build tasks including header, csscomb and jscs.
• sourcemaps generation.
• $l.deferred and $l.when components.
• deprecated $l.triggers.
• small bug fix for dontSkipReturns parameter in $l.helpers.map.