Improve validations structure
Merge pull request #1 from wagnerjgoncalves/wjg_validations_improvement

Improve validations structure
Create doc with minification command
new lodash_ext.min
Organize source

Create src folder to organize source files.
Add gruntjs to project

First step adding concat and uglify task’s to automatize the process of
concatenate and minify files.
Update Readme